Home / 19,832.91-27,374.18-13,470.10

Finding the Fourth Proportional to 19,832.91, 27,374.18 and 13,470.10

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Solution

The fourth proportional to 19,832.91, 27,374.18 and 13,470.10 is: 18,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.91 : 27,374.18 = 13,470.10 : x
  2. Step 2: Convert to fraction form
    19,832.91/27,374.18 = 13,470.10/x
  3. Step 3: Cross multiply
    19,832.91x = 27,374.18 × 13,470.10
  4. Step 4: Simplify right side
    19,832.91x = 368,732,942.02
  5. Step 5: Solve for x
    x = 368,732,942.02/19,832.91
  6. Step 6: Final answer
    x = 18,591.97

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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.