Home / 19,474.13-29,167.41-13,656.71

Finding the Fourth Proportional to 19,474.13, 29,167.41 and 13,656.71

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Solution

The fourth proportional to 19,474.13, 29,167.41 and 13,656.71 is: 20,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.13 : 29,167.41 = 13,656.71 : x
  2. Step 2: Convert to fraction form
    19,474.13/29,167.41 = 13,656.71/x
  3. Step 3: Cross multiply
    19,474.13x = 29,167.41 × 13,656.71
  4. Step 4: Simplify right side
    19,474.13x = 398,330,859.82
  5. Step 5: Solve for x
    x = 398,330,859.82/19,474.13
  6. Step 6: Final answer
    x = 20,454.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.