Home / 23,169.50-31,975.29-13,098.87

Finding the Fourth Proportional to 23,169.50, 31,975.29 and 13,098.87

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Solution

The fourth proportional to 23,169.50, 31,975.29 and 13,098.87 is: 18,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.50 : 31,975.29 = 13,098.87 : x
  2. Step 2: Convert to fraction form
    23,169.50/31,975.29 = 13,098.87/x
  3. Step 3: Cross multiply
    23,169.50x = 31,975.29 × 13,098.87
  4. Step 4: Simplify right side
    23,169.50x = 418,840,117.80
  5. Step 5: Solve for x
    x = 418,840,117.80/23,169.50
  6. Step 6: Final answer
    x = 18,077.22

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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.