Home / 15,428.98-23,138.68-5,566.97

Finding the Fourth Proportional to 15,428.98, 23,138.68 and 5,566.97

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Solution

The fourth proportional to 15,428.98, 23,138.68 and 5,566.97 is: 8,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.98 : 23,138.68 = 5,566.97 : x
  2. Step 2: Convert to fraction form
    15,428.98/23,138.68 = 5,566.97/x
  3. Step 3: Cross multiply
    15,428.98x = 23,138.68 × 5,566.97
  4. Step 4: Simplify right side
    15,428.98x = 128,812,381.33
  5. Step 5: Solve for x
    x = 128,812,381.33/15,428.98
  6. Step 6: Final answer
    x = 8,348.73

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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.