Home / 19,591.98-29,390.19-7,117.86

Finding the Fourth Proportional to 19,591.98, 29,390.19 and 7,117.86

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Solution

The fourth proportional to 19,591.98, 29,390.19 and 7,117.86 is: 10,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.98 : 29,390.19 = 7,117.86 : x
  2. Step 2: Convert to fraction form
    19,591.98/29,390.19 = 7,117.86/x
  3. Step 3: Cross multiply
    19,591.98x = 29,390.19 × 7,117.86
  4. Step 4: Simplify right side
    19,591.98x = 209,195,257.79
  5. Step 5: Solve for x
    x = 209,195,257.79/19,591.98
  6. Step 6: Final answer
    x = 10,677.60

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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.