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Finding the Fourth Proportional to 14,897.70, 22,346.55 and 13,731.30

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Solution

The fourth proportional to 14,897.70, 22,346.55 and 13,731.30 is: 20,596.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.70 : 22,346.55 = 13,731.30 : x
  2. Step 2: Convert to fraction form
    14,897.70/22,346.55 = 13,731.30/x
  3. Step 3: Cross multiply
    14,897.70x = 22,346.55 × 13,731.30
  4. Step 4: Simplify right side
    14,897.70x = 306,847,182.02
  5. Step 5: Solve for x
    x = 306,847,182.02/14,897.70
  6. Step 6: Final answer
    x = 20,596.95

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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.