Home / 22,659.11-31,278.00-19,459.56

Finding the Fourth Proportional to 22,659.11, 31,278.00 and 19,459.56

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Solution

The fourth proportional to 22,659.11, 31,278.00 and 19,459.56 is: 26,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.11 : 31,278.00 = 19,459.56 : x
  2. Step 2: Convert to fraction form
    22,659.11/31,278.00 = 19,459.56/x
  3. Step 3: Cross multiply
    22,659.11x = 31,278.00 × 19,459.56
  4. Step 4: Simplify right side
    22,659.11x = 608,656,020.38
  5. Step 5: Solve for x
    x = 608,656,020.38/22,659.11
  6. Step 6: Final answer
    x = 26,861.43

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Half scale
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Double scale
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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.