Home / 15,854.42-23,781.56-4,761.06

Finding the Fourth Proportional to 15,854.42, 23,781.56 and 4,761.06

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Solution

The fourth proportional to 15,854.42, 23,781.56 and 4,761.06 is: 7,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.42 : 23,781.56 = 4,761.06 : x
  2. Step 2: Convert to fraction form
    15,854.42/23,781.56 = 4,761.06/x
  3. Step 3: Cross multiply
    15,854.42x = 23,781.56 × 4,761.06
  4. Step 4: Simplify right side
    15,854.42x = 113,225,434.05
  5. Step 5: Solve for x
    x = 113,225,434.05/15,854.42
  6. Step 6: Final answer
    x = 7,141.57

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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.