Home / 15,279.93-22,915.08-5,919.30

Finding the Fourth Proportional to 15,279.93, 22,915.08 and 5,919.30

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Solution

The fourth proportional to 15,279.93, 22,915.08 and 5,919.30 is: 8,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.93 : 22,915.08 = 5,919.30 : x
  2. Step 2: Convert to fraction form
    15,279.93/22,915.08 = 5,919.30/x
  3. Step 3: Cross multiply
    15,279.93x = 22,915.08 × 5,919.30
  4. Step 4: Simplify right side
    15,279.93x = 135,641,233.04
  5. Step 5: Solve for x
    x = 135,641,233.04/15,279.93
  6. Step 6: Final answer
    x = 8,877.08

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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.