Home / 16,746.23-25,117.61-8,422.85

Finding the Fourth Proportional to 16,746.23, 25,117.61 and 8,422.85

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Solution

The fourth proportional to 16,746.23, 25,117.61 and 8,422.85 is: 12,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,746.23 : 25,117.61 = 8,422.85 : x
  2. Step 2: Convert to fraction form
    16,746.23/25,117.61 = 8,422.85/x
  3. Step 3: Cross multiply
    16,746.23x = 25,117.61 × 8,422.85
  4. Step 4: Simplify right side
    16,746.23x = 211,561,693.69
  5. Step 5: Solve for x
    x = 211,561,693.69/16,746.23
  6. Step 6: Final answer
    x = 12,633.40

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Half scale
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Double scale
Find fourth proportional to 16,747.23, 25,119.10 and 8,423.85
Similar ratio
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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.