Home / 14,147.16-19,531.63-9,371.17

Finding the Fourth Proportional to 14,147.16, 19,531.63 and 9,371.17

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Solution

The fourth proportional to 14,147.16, 19,531.63 and 9,371.17 is: 12,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.16 : 19,531.63 = 9,371.17 : x
  2. Step 2: Convert to fraction form
    14,147.16/19,531.63 = 9,371.17/x
  3. Step 3: Cross multiply
    14,147.16x = 19,531.63 × 9,371.17
  4. Step 4: Simplify right side
    14,147.16x = 183,034,261.24
  5. Step 5: Solve for x
    x = 183,034,261.24/14,147.16
  6. Step 6: Final answer
    x = 12,937.88

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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.