Home / 16,405.28-24,608.02-5,311.92

Finding the Fourth Proportional to 16,405.28, 24,608.02 and 5,311.92

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Solution

The fourth proportional to 16,405.28, 24,608.02 and 5,311.92 is: 7,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,405.28 : 24,608.02 = 5,311.92 : x
  2. Step 2: Convert to fraction form
    16,405.28/24,608.02 = 5,311.92/x
  3. Step 3: Cross multiply
    16,405.28x = 24,608.02 × 5,311.92
  4. Step 4: Simplify right side
    16,405.28x = 130,715,833.60
  5. Step 5: Solve for x
    x = 130,715,833.60/16,405.28
  6. Step 6: Final answer
    x = 7,967.91

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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.