Home / 19,298.18-28,945.31-13,098.03

Finding the Fourth Proportional to 19,298.18, 28,945.31 and 13,098.03

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Solution

The fourth proportional to 19,298.18, 28,945.31 and 13,098.03 is: 19,645.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.18 : 28,945.31 = 13,098.03 : x
  2. Step 2: Convert to fraction form
    19,298.18/28,945.31 = 13,098.03/x
  3. Step 3: Cross multiply
    19,298.18x = 28,945.31 × 13,098.03
  4. Step 4: Simplify right side
    19,298.18x = 379,126,473.25
  5. Step 5: Solve for x
    x = 379,126,473.25/19,298.18
  6. Step 6: Final answer
    x = 19,645.72

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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.