Home / 18,016.59-24,875.19-11,739.90

Finding the Fourth Proportional to 18,016.59, 24,875.19 and 11,739.90

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Solution

The fourth proportional to 18,016.59, 24,875.19 and 11,739.90 is: 16,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,016.59 : 24,875.19 = 11,739.90 : x
  2. Step 2: Convert to fraction form
    18,016.59/24,875.19 = 11,739.90/x
  3. Step 3: Cross multiply
    18,016.59x = 24,875.19 × 11,739.90
  4. Step 4: Simplify right side
    18,016.59x = 292,032,243.08
  5. Step 5: Solve for x
    x = 292,032,243.08/18,016.59
  6. Step 6: Final answer
    x = 16,209.07

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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.