Home / 15,972.56-22,042.28-8,898.96

Finding the Fourth Proportional to 15,972.56, 22,042.28 and 8,898.96

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Solution

The fourth proportional to 15,972.56, 22,042.28 and 8,898.96 is: 12,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.56 : 22,042.28 = 8,898.96 : x
  2. Step 2: Convert to fraction form
    15,972.56/22,042.28 = 8,898.96/x
  3. Step 3: Cross multiply
    15,972.56x = 22,042.28 × 8,898.96
  4. Step 4: Simplify right side
    15,972.56x = 196,153,368.03
  5. Step 5: Solve for x
    x = 196,153,368.03/15,972.56
  6. Step 6: Final answer
    x = 12,280.65

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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.