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Finding the Fourth Proportional to 14,773.98, 22,139.10 and 12,160.08

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Solution

The fourth proportional to 14,773.98, 22,139.10 and 12,160.08 is: 18,222.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.98 : 22,139.10 = 12,160.08 : x
  2. Step 2: Convert to fraction form
    14,773.98/22,139.10 = 12,160.08/x
  3. Step 3: Cross multiply
    14,773.98x = 22,139.10 × 12,160.08
  4. Step 4: Simplify right side
    14,773.98x = 269,213,227.13
  5. Step 5: Solve for x
    x = 269,213,227.13/14,773.98
  6. Step 6: Final answer
    x = 18,222.12

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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.