Home / 18,116.53-25,001.66-11,314.59

Finding the Fourth Proportional to 18,116.53, 25,001.66 and 11,314.59

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Solution

The fourth proportional to 18,116.53, 25,001.66 and 11,314.59 is: 15,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.53 : 25,001.66 = 11,314.59 : x
  2. Step 2: Convert to fraction form
    18,116.53/25,001.66 = 11,314.59/x
  3. Step 3: Cross multiply
    18,116.53x = 25,001.66 × 11,314.59
  4. Step 4: Simplify right side
    18,116.53x = 282,883,466.75
  5. Step 5: Solve for x
    x = 282,883,466.75/18,116.53
  6. Step 6: Final answer
    x = 15,614.66

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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.