Home / 42,175.18-63,265.38-14,097.76

Finding the Fourth Proportional to 42,175.18, 63,265.38 and 14,097.76

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Solution

The fourth proportional to 42,175.18, 63,265.38 and 14,097.76 is: 21,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.18 : 63,265.38 = 14,097.76 : x
  2. Step 2: Convert to fraction form
    42,175.18/63,265.38 = 14,097.76/x
  3. Step 3: Cross multiply
    42,175.18x = 63,265.38 × 14,097.76
  4. Step 4: Simplify right side
    42,175.18x = 891,900,143.55
  5. Step 5: Solve for x
    x = 891,900,143.55/42,175.18
  6. Step 6: Final answer
    x = 21,147.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.