Home / 25,031.67-34,543.61-13,546.56

Finding the Fourth Proportional to 25,031.67, 34,543.61 and 13,546.56

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Solution

The fourth proportional to 25,031.67, 34,543.61 and 13,546.56 is: 18,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.67 : 34,543.61 = 13,546.56 : x
  2. Step 2: Convert to fraction form
    25,031.67/34,543.61 = 13,546.56/x
  3. Step 3: Cross multiply
    25,031.67x = 34,543.61 × 13,546.56
  4. Step 4: Simplify right side
    25,031.67x = 467,946,989.81
  5. Step 5: Solve for x
    x = 467,946,989.81/25,031.67
  6. Step 6: Final answer
    x = 18,694.20

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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.