Home / 23,271.22-32,103.90-15,715.12

Finding the Fourth Proportional to 23,271.22, 32,103.90 and 15,715.12

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Solution

The fourth proportional to 23,271.22, 32,103.90 and 15,715.12 is: 21,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,271.22 : 32,103.90 = 15,715.12 : x
  2. Step 2: Convert to fraction form
    23,271.22/32,103.90 = 15,715.12/x
  3. Step 3: Cross multiply
    23,271.22x = 32,103.90 × 15,715.12
  4. Step 4: Simplify right side
    23,271.22x = 504,516,640.97
  5. Step 5: Solve for x
    x = 504,516,640.97/23,271.22
  6. Step 6: Final answer
    x = 21,679.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.