Home / 17,636.05-24,338.64-9,678.21

Finding the Fourth Proportional to 17,636.05, 24,338.64 and 9,678.21

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Solution

The fourth proportional to 17,636.05, 24,338.64 and 9,678.21 is: 13,356.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,636.05 : 24,338.64 = 9,678.21 : x
  2. Step 2: Convert to fraction form
    17,636.05/24,338.64 = 9,678.21/x
  3. Step 3: Cross multiply
    17,636.05x = 24,338.64 × 9,678.21
  4. Step 4: Simplify right side
    17,636.05x = 235,554,420.64
  5. Step 5: Solve for x
    x = 235,554,420.64/17,636.05
  6. Step 6: Final answer
    x = 13,356.42

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Half scale
Find fourth proportional to 35,272.10, 48,677.27 and 19,356.42
Double scale
Find fourth proportional to 17,637.05, 24,340.02 and 9,679.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.