Home / 17,646.23-24,347.61-9,989.60

Finding the Fourth Proportional to 17,646.23, 24,347.61 and 9,989.60

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Solution

The fourth proportional to 17,646.23, 24,347.61 and 9,989.60 is: 13,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,646.23 : 24,347.61 = 9,989.60 : x
  2. Step 2: Convert to fraction form
    17,646.23/24,347.61 = 9,989.60/x
  3. Step 3: Cross multiply
    17,646.23x = 24,347.61 × 9,989.60
  4. Step 4: Simplify right side
    17,646.23x = 243,222,763.12
  5. Step 5: Solve for x
    x = 243,222,763.12/17,646.23
  6. Step 6: Final answer
    x = 13,783.27

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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.