Home / 18,001.60-24,842.21-9,935.75

Finding the Fourth Proportional to 18,001.60, 24,842.21 and 9,935.75

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Solution

The fourth proportional to 18,001.60, 24,842.21 and 9,935.75 is: 13,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.60 : 24,842.21 = 9,935.75 : x
  2. Step 2: Convert to fraction form
    18,001.60/24,842.21 = 9,935.75/x
  3. Step 3: Cross multiply
    18,001.60x = 24,842.21 × 9,935.75
  4. Step 4: Simplify right side
    18,001.60x = 246,825,988.01
  5. Step 5: Solve for x
    x = 246,825,988.01/18,001.60
  6. Step 6: Final answer
    x = 13,711.34

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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.