Home / 15,920.94-23,876.40-5,788.02

Finding the Fourth Proportional to 15,920.94, 23,876.40 and 5,788.02

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Solution

The fourth proportional to 15,920.94, 23,876.40 and 5,788.02 is: 8,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.94 : 23,876.40 = 5,788.02 : x
  2. Step 2: Convert to fraction form
    15,920.94/23,876.40 = 5,788.02/x
  3. Step 3: Cross multiply
    15,920.94x = 23,876.40 × 5,788.02
  4. Step 4: Simplify right side
    15,920.94x = 138,197,080.73
  5. Step 5: Solve for x
    x = 138,197,080.73/15,920.94
  6. Step 6: Final answer
    x = 8,680.21

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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.