Home / 16,424.60-24,640.80-5,331.32

Finding the Fourth Proportional to 16,424.60, 24,640.80 and 5,331.32

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Solution

The fourth proportional to 16,424.60, 24,640.80 and 5,331.32 is: 7,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424.60 : 24,640.80 = 5,331.32 : x
  2. Step 2: Convert to fraction form
    16,424.60/24,640.80 = 5,331.32/x
  3. Step 3: Cross multiply
    16,424.60x = 24,640.80 × 5,331.32
  4. Step 4: Simplify right side
    16,424.60x = 131,367,989.86
  5. Step 5: Solve for x
    x = 131,367,989.86/16,424.60
  6. Step 6: Final answer
    x = 7,998.25

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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.