Home / 13,496.93-20,348.17-12,545.58

Finding the Fourth Proportional to 13,496.93, 20,348.17 and 12,545.58

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Solution

The fourth proportional to 13,496.93, 20,348.17 and 12,545.58 is: 18,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.93 : 20,348.17 = 12,545.58 : x
  2. Step 2: Convert to fraction form
    13,496.93/20,348.17 = 12,545.58/x
  3. Step 3: Cross multiply
    13,496.93x = 20,348.17 × 12,545.58
  4. Step 4: Simplify right side
    13,496.93x = 255,279,594.59
  5. Step 5: Solve for x
    x = 255,279,594.59/13,496.93
  6. Step 6: Final answer
    x = 18,913.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.