Home / 16,877.28-25,315.90-6,481.74

Finding the Fourth Proportional to 16,877.28, 25,315.90 and 6,481.74

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Solution

The fourth proportional to 16,877.28, 25,315.90 and 6,481.74 is: 9,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.28 : 25,315.90 = 6,481.74 : x
  2. Step 2: Convert to fraction form
    16,877.28/25,315.90 = 6,481.74/x
  3. Step 3: Cross multiply
    16,877.28x = 25,315.90 × 6,481.74
  4. Step 4: Simplify right side
    16,877.28x = 164,091,081.67
  5. Step 5: Solve for x
    x = 164,091,081.67/16,877.28
  6. Step 6: Final answer
    x = 9,722.60

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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.