Home / 23,730.42-32,747.66-13,119.88

Finding the Fourth Proportional to 23,730.42, 32,747.66 and 13,119.88

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Solution

The fourth proportional to 23,730.42, 32,747.66 and 13,119.88 is: 18,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,730.42 : 32,747.66 = 13,119.88 : x
  2. Step 2: Convert to fraction form
    23,730.42/32,747.66 = 13,119.88/x
  3. Step 3: Cross multiply
    23,730.42x = 32,747.66 × 13,119.88
  4. Step 4: Simplify right side
    23,730.42x = 429,645,369.48
  5. Step 5: Solve for x
    x = 429,645,369.48/23,730.42
  6. Step 6: Final answer
    x = 18,105.26

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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.