Home / 16,490.40-24,739.56-5,397.12

Finding the Fourth Proportional to 16,490.40, 24,739.56 and 5,397.12

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Solution

The fourth proportional to 16,490.40, 24,739.56 and 5,397.12 is: 8,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.40 : 24,739.56 = 5,397.12 : x
  2. Step 2: Convert to fraction form
    16,490.40/24,739.56 = 5,397.12/x
  3. Step 3: Cross multiply
    16,490.40x = 24,739.56 × 5,397.12
  4. Step 4: Simplify right side
    16,490.40x = 133,522,374.07
  5. Step 5: Solve for x
    x = 133,522,374.07/16,490.40
  6. Step 6: Final answer
    x = 8,096.98

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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.