Home / 19,904.27-27,470.21-10,952.55

Finding the Fourth Proportional to 19,904.27, 27,470.21 and 10,952.55

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Solution

The fourth proportional to 19,904.27, 27,470.21 and 10,952.55 is: 15,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.27 : 27,470.21 = 10,952.55 : x
  2. Step 2: Convert to fraction form
    19,904.27/27,470.21 = 10,952.55/x
  3. Step 3: Cross multiply
    19,904.27x = 27,470.21 × 10,952.55
  4. Step 4: Simplify right side
    19,904.27x = 300,868,793.77
  5. Step 5: Solve for x
    x = 300,868,793.77/19,904.27
  6. Step 6: Final answer
    x = 15,115.80

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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.