Home / 13,116.97-19,671.19-4,349.53

Finding the Fourth Proportional to 13,116.97, 19,671.19 and 4,349.53

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Solution

The fourth proportional to 13,116.97, 19,671.19 and 4,349.53 is: 6,522.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.97 : 19,671.19 = 4,349.53 : x
  2. Step 2: Convert to fraction form
    13,116.97/19,671.19 = 4,349.53/x
  3. Step 3: Cross multiply
    13,116.97x = 19,671.19 × 4,349.53
  4. Step 4: Simplify right side
    13,116.97x = 85,560,444.76
  5. Step 5: Solve for x
    x = 85,560,444.76/13,116.97
  6. Step 6: Final answer
    x = 6,522.88

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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.