Home / 20,614.59-28,471.35-13,927.83

Finding the Fourth Proportional to 20,614.59, 28,471.35 and 13,927.83

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Solution

The fourth proportional to 20,614.59, 28,471.35 and 13,927.83 is: 19,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614.59 : 28,471.35 = 13,927.83 : x
  2. Step 2: Convert to fraction form
    20,614.59/28,471.35 = 13,927.83/x
  3. Step 3: Cross multiply
    20,614.59x = 28,471.35 × 13,927.83
  4. Step 4: Simplify right side
    20,614.59x = 396,544,122.67
  5. Step 5: Solve for x
    x = 396,544,122.67/20,614.59
  6. Step 6: Final answer
    x = 19,236.09

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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.