Home / 22,591.01-31,175.66-12,519.62

Finding the Fourth Proportional to 22,591.01, 31,175.66 and 12,519.62

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Solution

The fourth proportional to 22,591.01, 31,175.66 and 12,519.62 is: 17,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,591.01 : 31,175.66 = 12,519.62 : x
  2. Step 2: Convert to fraction form
    22,591.01/31,175.66 = 12,519.62/x
  3. Step 3: Cross multiply
    22,591.01x = 31,175.66 × 12,519.62
  4. Step 4: Simplify right side
    22,591.01x = 390,307,291.87
  5. Step 5: Solve for x
    x = 390,307,291.87/22,591.01
  6. Step 6: Final answer
    x = 17,277.10

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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.