Home / 16,877.28-25,319.49-5,780.98

Finding the Fourth Proportional to 16,877.28, 25,319.49 and 5,780.98

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Solution

The fourth proportional to 16,877.28, 25,319.49 and 5,780.98 is: 8,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.28 : 25,319.49 = 5,780.98 : x
  2. Step 2: Convert to fraction form
    16,877.28/25,319.49 = 5,780.98/x
  3. Step 3: Cross multiply
    16,877.28x = 25,319.49 × 5,780.98
  4. Step 4: Simplify right side
    16,877.28x = 146,371,465.30
  5. Step 5: Solve for x
    x = 146,371,465.30/16,877.28
  6. Step 6: Final answer
    x = 8,672.69

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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.