Home / 15,275.72-22,917-5,915.84

Finding the Fourth Proportional to 15,275.72, 22,917 and 5,915.84

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Solution

The fourth proportional to 15,275.72, 22,917 and 5,915.84 is: 8,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.72 : 22,917 = 5,915.84 : x
  2. Step 2: Convert to fraction form
    15,275.72/22,917 = 5,915.84/x
  3. Step 3: Cross multiply
    15,275.72x = 22,917 × 5,915.84
  4. Step 4: Simplify right side
    15,275.72x = 135,573,305.28
  5. Step 5: Solve for x
    x = 135,573,305.28/15,275.72
  6. Step 6: Final answer
    x = 8,875.08

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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.