Home / 16,631.61-24,951.41-5,538.40

Finding the Fourth Proportional to 16,631.61, 24,951.41 and 5,538.40

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Solution

The fourth proportional to 16,631.61, 24,951.41 and 5,538.40 is: 8,308.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.61 : 24,951.41 = 5,538.40 : x
  2. Step 2: Convert to fraction form
    16,631.61/24,951.41 = 5,538.40/x
  3. Step 3: Cross multiply
    16,631.61x = 24,951.41 × 5,538.40
  4. Step 4: Simplify right side
    16,631.61x = 138,190,861.45
  5. Step 5: Solve for x
    x = 138,190,861.45/16,631.61
  6. Step 6: Final answer
    x = 8,308.93

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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.