Home / 12,442.56-18,572.82-10,966.38

Finding the Fourth Proportional to 12,442.56, 18,572.82 and 10,966.38

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Solution

The fourth proportional to 12,442.56, 18,572.82 and 10,966.38 is: 16,369.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.56 : 18,572.82 = 10,966.38 : x
  2. Step 2: Convert to fraction form
    12,442.56/18,572.82 = 10,966.38/x
  3. Step 3: Cross multiply
    12,442.56x = 18,572.82 × 10,966.38
  4. Step 4: Simplify right side
    12,442.56x = 203,676,601.79
  5. Step 5: Solve for x
    x = 203,676,601.79/12,442.56
  6. Step 6: Final answer
    x = 16,369.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.