Home / 23,125.47-31,913.18-12,515.10

Finding the Fourth Proportional to 23,125.47, 31,913.18 and 12,515.10

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Solution

The fourth proportional to 23,125.47, 31,913.18 and 12,515.10 is: 17,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,125.47 : 31,913.18 = 12,515.10 : x
  2. Step 2: Convert to fraction form
    23,125.47/31,913.18 = 12,515.10/x
  3. Step 3: Cross multiply
    23,125.47x = 31,913.18 × 12,515.10
  4. Step 4: Simplify right side
    23,125.47x = 399,396,639.02
  5. Step 5: Solve for x
    x = 399,396,639.02/23,125.47
  6. Step 6: Final answer
    x = 17,270.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.