Home / 14,318.66-19,759.74-8,031.04

Finding the Fourth Proportional to 14,318.66, 19,759.74 and 8,031.04

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Solution

The fourth proportional to 14,318.66, 19,759.74 and 8,031.04 is: 11,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.66 : 19,759.74 = 8,031.04 : x
  2. Step 2: Convert to fraction form
    14,318.66/19,759.74 = 8,031.04/x
  3. Step 3: Cross multiply
    14,318.66x = 19,759.74 × 8,031.04
  4. Step 4: Simplify right side
    14,318.66x = 158,691,222.17
  5. Step 5: Solve for x
    x = 158,691,222.17/14,318.66
  6. Step 6: Final answer
    x = 11,082.83

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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.