Home / 16,718.20-25,077.30-6,854.20

Finding the Fourth Proportional to 16,718.20, 25,077.30 and 6,854.20

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Solution

The fourth proportional to 16,718.20, 25,077.30 and 6,854.20 is: 10,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.20 : 25,077.30 = 6,854.20 : x
  2. Step 2: Convert to fraction form
    16,718.20/25,077.30 = 6,854.20/x
  3. Step 3: Cross multiply
    16,718.20x = 25,077.30 × 6,854.20
  4. Step 4: Simplify right side
    16,718.20x = 171,884,829.66
  5. Step 5: Solve for x
    x = 171,884,829.66/16,718.20
  6. Step 6: Final answer
    x = 10,281.30

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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.