Home / 13,514.06-18,649.30-7,545.68

Finding the Fourth Proportional to 13,514.06, 18,649.30 and 7,545.68

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Solution

The fourth proportional to 13,514.06, 18,649.30 and 7,545.68 is: 10,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.06 : 18,649.30 = 7,545.68 : x
  2. Step 2: Convert to fraction form
    13,514.06/18,649.30 = 7,545.68/x
  3. Step 3: Cross multiply
    13,514.06x = 18,649.30 × 7,545.68
  4. Step 4: Simplify right side
    13,514.06x = 140,721,650.02
  5. Step 5: Solve for x
    x = 140,721,650.02/13,514.06
  6. Step 6: Final answer
    x = 10,412.98

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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.