Home / 23,121.76-34,687.02-9,271.84

Finding the Fourth Proportional to 23,121.76, 34,687.02 and 9,271.84

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Solution

The fourth proportional to 23,121.76, 34,687.02 and 9,271.84 is: 13,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.76 : 34,687.02 = 9,271.84 : x
  2. Step 2: Convert to fraction form
    23,121.76/34,687.02 = 9,271.84/x
  3. Step 3: Cross multiply
    23,121.76x = 34,687.02 × 9,271.84
  4. Step 4: Simplify right side
    23,121.76x = 321,612,499.52
  5. Step 5: Solve for x
    x = 321,612,499.52/23,121.76
  6. Step 6: Final answer
    x = 13,909.52

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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.