Home / 12,614.61-17,394.97-9,422.91

Finding the Fourth Proportional to 12,614.61, 17,394.97 and 9,422.91

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Solution

The fourth proportional to 12,614.61, 17,394.97 and 9,422.91 is: 12,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.61 : 17,394.97 = 9,422.91 : x
  2. Step 2: Convert to fraction form
    12,614.61/17,394.97 = 9,422.91/x
  3. Step 3: Cross multiply
    12,614.61x = 17,394.97 × 9,422.91
  4. Step 4: Simplify right side
    12,614.61x = 163,911,236.76
  5. Step 5: Solve for x
    x = 163,911,236.76/12,614.61
  6. Step 6: Final answer
    x = 12,993.76

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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.