Home / 15,275.79-22,915.13-4,745.93

Finding the Fourth Proportional to 15,275.79, 22,915.13 and 4,745.93

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Solution

The fourth proportional to 15,275.79, 22,915.13 and 4,745.93 is: 7,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275.79 : 22,915.13 = 4,745.93 : x
  2. Step 2: Convert to fraction form
    15,275.79/22,915.13 = 4,745.93/x
  3. Step 3: Cross multiply
    15,275.79x = 22,915.13 × 4,745.93
  4. Step 4: Simplify right side
    15,275.79x = 108,753,464.62
  5. Step 5: Solve for x
    x = 108,753,464.62/15,275.79
  6. Step 6: Final answer
    x = 7,119.33

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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.