Home / 17,688.08-24,407.52-9,729.56

Finding the Fourth Proportional to 17,688.08, 24,407.52 and 9,729.56

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Solution

The fourth proportional to 17,688.08, 24,407.52 and 9,729.56 is: 13,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.08 : 24,407.52 = 9,729.56 : x
  2. Step 2: Convert to fraction form
    17,688.08/24,407.52 = 9,729.56/x
  3. Step 3: Cross multiply
    17,688.08x = 24,407.52 × 9,729.56
  4. Step 4: Simplify right side
    17,688.08x = 237,474,430.29
  5. Step 5: Solve for x
    x = 237,474,430.29/17,688.08
  6. Step 6: Final answer
    x = 13,425.68

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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.