Home / 13,514.07-18,649.34-7,545.68

Finding the Fourth Proportional to 13,514.07, 18,649.34 and 7,545.68

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Solution

The fourth proportional to 13,514.07, 18,649.34 and 7,545.68 is: 10,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.07 : 18,649.34 = 7,545.68 : x
  2. Step 2: Convert to fraction form
    13,514.07/18,649.34 = 7,545.68/x
  3. Step 3: Cross multiply
    13,514.07x = 18,649.34 × 7,545.68
  4. Step 4: Simplify right side
    13,514.07x = 140,721,971.56
  5. Step 5: Solve for x
    x = 140,721,971.56/13,514.07
  6. Step 6: Final answer
    x = 10,413.00

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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.