Home / 19,854.36-29,793.84-11,538.29

Finding the Fourth Proportional to 19,854.36, 29,793.84 and 11,538.29

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Solution

The fourth proportional to 19,854.36, 29,793.84 and 11,538.29 is: 17,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.36 : 29,793.84 = 11,538.29 : x
  2. Step 2: Convert to fraction form
    19,854.36/29,793.84 = 11,538.29/x
  3. Step 3: Cross multiply
    19,854.36x = 29,793.84 × 11,538.29
  4. Step 4: Simplify right side
    19,854.36x = 343,769,966.13
  5. Step 5: Solve for x
    x = 343,769,966.13/19,854.36
  6. Step 6: Final answer
    x = 17,314.58

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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.