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Finding the Fourth Proportional to 16,122.90, 24,020.90 and 15,328.87

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Solution

The fourth proportional to 16,122.90, 24,020.90 and 15,328.87 is: 22,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.90 : 24,020.90 = 15,328.87 : x
  2. Step 2: Convert to fraction form
    16,122.90/24,020.90 = 15,328.87/x
  3. Step 3: Cross multiply
    16,122.90x = 24,020.90 × 15,328.87
  4. Step 4: Simplify right side
    16,122.90x = 368,213,253.38
  5. Step 5: Solve for x
    x = 368,213,253.38/16,122.90
  6. Step 6: Final answer
    x = 22,837.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.