Home / 13,854.30-19,099.17-8,545.56

Finding the Fourth Proportional to 13,854.30, 19,099.17 and 8,545.56

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Solution

The fourth proportional to 13,854.30, 19,099.17 and 8,545.56 is: 11,780.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.30 : 19,099.17 = 8,545.56 : x
  2. Step 2: Convert to fraction form
    13,854.30/19,099.17 = 8,545.56/x
  3. Step 3: Cross multiply
    13,854.30x = 19,099.17 × 8,545.56
  4. Step 4: Simplify right side
    13,854.30x = 163,213,103.19
  5. Step 5: Solve for x
    x = 163,213,103.19/13,854.30
  6. Step 6: Final answer
    x = 11,780.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.