Home / 19,909.04-29,863.56-5,117.97

Finding the Fourth Proportional to 19,909.04, 29,863.56 and 5,117.97

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Solution

The fourth proportional to 19,909.04, 29,863.56 and 5,117.97 is: 7,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.04 : 29,863.56 = 5,117.97 : x
  2. Step 2: Convert to fraction form
    19,909.04/29,863.56 = 5,117.97/x
  3. Step 3: Cross multiply
    19,909.04x = 29,863.56 × 5,117.97
  4. Step 4: Simplify right side
    19,909.04x = 152,840,804.17
  5. Step 5: Solve for x
    x = 152,840,804.17/19,909.04
  6. Step 6: Final answer
    x = 7,676.96

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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.