Home / 12,167.53-18,264.97-9,427.25

Finding the Fourth Proportional to 12,167.53, 18,264.97 and 9,427.25

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Solution

The fourth proportional to 12,167.53, 18,264.97 and 9,427.25 is: 14,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.53 : 18,264.97 = 9,427.25 : x
  2. Step 2: Convert to fraction form
    12,167.53/18,264.97 = 9,427.25/x
  3. Step 3: Cross multiply
    12,167.53x = 18,264.97 × 9,427.25
  4. Step 4: Simplify right side
    12,167.53x = 172,188,347.11
  5. Step 5: Solve for x
    x = 172,188,347.11/12,167.53
  6. Step 6: Final answer
    x = 14,151.47

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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.