Home / 16,321.20-24,478.85-7,434.46

Finding the Fourth Proportional to 16,321.20, 24,478.85 and 7,434.46

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Solution

The fourth proportional to 16,321.20, 24,478.85 and 7,434.46 is: 11,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.20 : 24,478.85 = 7,434.46 : x
  2. Step 2: Convert to fraction form
    16,321.20/24,478.85 = 7,434.46/x
  3. Step 3: Cross multiply
    16,321.20x = 24,478.85 × 7,434.46
  4. Step 4: Simplify right side
    16,321.20x = 181,986,994.00
  5. Step 5: Solve for x
    x = 181,986,994.00/16,321.20
  6. Step 6: Final answer
    x = 11,150.35

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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.