Home / 13,514.39-18,649.28-7,545.93

Finding the Fourth Proportional to 13,514.39, 18,649.28 and 7,545.93

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Solution

The fourth proportional to 13,514.39, 18,649.28 and 7,545.93 is: 10,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.39 : 18,649.28 = 7,545.93 : x
  2. Step 2: Convert to fraction form
    13,514.39/18,649.28 = 7,545.93/x
  3. Step 3: Cross multiply
    13,514.39x = 18,649.28 × 7,545.93
  4. Step 4: Simplify right side
    13,514.39x = 140,726,161.43
  5. Step 5: Solve for x
    x = 140,726,161.43/13,514.39
  6. Step 6: Final answer
    x = 10,413.06

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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.