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Finding the Fourth Proportional to 15,206.70, 22,810.05 and 9,957.90

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Solution

The fourth proportional to 15,206.70, 22,810.05 and 9,957.90 is: 14,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,206.70 : 22,810.05 = 9,957.90 : x
  2. Step 2: Convert to fraction form
    15,206.70/22,810.05 = 9,957.90/x
  3. Step 3: Cross multiply
    15,206.70x = 22,810.05 × 9,957.90
  4. Step 4: Simplify right side
    15,206.70x = 227,140,196.90
  5. Step 5: Solve for x
    x = 227,140,196.90/15,206.70
  6. Step 6: Final answer
    x = 14,936.85

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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.