Home / 15,972.38-22,042.58-8,898.80

Finding the Fourth Proportional to 15,972.38, 22,042.58 and 8,898.80

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Solution

The fourth proportional to 15,972.38, 22,042.58 and 8,898.80 is: 12,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.38 : 22,042.58 = 8,898.80 : x
  2. Step 2: Convert to fraction form
    15,972.38/22,042.58 = 8,898.80/x
  3. Step 3: Cross multiply
    15,972.38x = 22,042.58 × 8,898.80
  4. Step 4: Simplify right side
    15,972.38x = 196,152,510.90
  5. Step 5: Solve for x
    x = 196,152,510.90/15,972.38
  6. Step 6: Final answer
    x = 12,280.73

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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.