Home / 17,639.87-24,343.20-9,681.92

Finding the Fourth Proportional to 17,639.87, 24,343.20 and 9,681.92

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Solution

The fourth proportional to 17,639.87, 24,343.20 and 9,681.92 is: 13,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.87 : 24,343.20 = 9,681.92 : x
  2. Step 2: Convert to fraction form
    17,639.87/24,343.20 = 9,681.92/x
  3. Step 3: Cross multiply
    17,639.87x = 24,343.20 × 9,681.92
  4. Step 4: Simplify right side
    17,639.87x = 235,688,884.52
  5. Step 5: Solve for x
    x = 235,688,884.52/17,639.87
  6. Step 6: Final answer
    x = 13,361.15

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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.