Home / 23,242.78-32,073.17-13,172.76

Finding the Fourth Proportional to 23,242.78, 32,073.17 and 13,172.76

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Solution

The fourth proportional to 23,242.78, 32,073.17 and 13,172.76 is: 18,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,242.78 : 32,073.17 = 13,172.76 : x
  2. Step 2: Convert to fraction form
    23,242.78/32,073.17 = 13,172.76/x
  3. Step 3: Cross multiply
    23,242.78x = 32,073.17 × 13,172.76
  4. Step 4: Simplify right side
    23,242.78x = 422,492,104.99
  5. Step 5: Solve for x
    x = 422,492,104.99/23,242.78
  6. Step 6: Final answer
    x = 18,177.35

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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.