Home / 16,487.85-24,731.49-5,243.14

Finding the Fourth Proportional to 16,487.85, 24,731.49 and 5,243.14

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Solution

The fourth proportional to 16,487.85, 24,731.49 and 5,243.14 is: 7,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.85 : 24,731.49 = 5,243.14 : x
  2. Step 2: Convert to fraction form
    16,487.85/24,731.49 = 5,243.14/x
  3. Step 3: Cross multiply
    16,487.85x = 24,731.49 × 5,243.14
  4. Step 4: Simplify right side
    16,487.85x = 129,670,664.48
  5. Step 5: Solve for x
    x = 129,670,664.48/16,487.85
  6. Step 6: Final answer
    x = 7,864.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.