Home / 15,636.14-21,577.75-8,466.08

Finding the Fourth Proportional to 15,636.14, 21,577.75 and 8,466.08

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Solution

The fourth proportional to 15,636.14, 21,577.75 and 8,466.08 is: 11,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.14 : 21,577.75 = 8,466.08 : x
  2. Step 2: Convert to fraction form
    15,636.14/21,577.75 = 8,466.08/x
  3. Step 3: Cross multiply
    15,636.14x = 21,577.75 × 8,466.08
  4. Step 4: Simplify right side
    15,636.14x = 182,678,957.72
  5. Step 5: Solve for x
    x = 182,678,957.72/15,636.14
  6. Step 6: Final answer
    x = 11,683.12

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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.