Home / 25,031.61-34,543.30-13,701

Finding the Fourth Proportional to 25,031.61, 34,543.30 and 13,701

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Solution

The fourth proportional to 25,031.61, 34,543.30 and 13,701 is: 18,907.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,031.61 : 34,543.30 = 13,701 : x
  2. Step 2: Convert to fraction form
    25,031.61/34,543.30 = 13,701/x
  3. Step 3: Cross multiply
    25,031.61x = 34,543.30 × 13,701
  4. Step 4: Simplify right side
    25,031.61x = 473,277,753.30
  5. Step 5: Solve for x
    x = 473,277,753.30/25,031.61
  6. Step 6: Final answer
    x = 18,907.20

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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.