Home / 36,342.75-54,514.13-11,718.75

Finding the Fourth Proportional to 36,342.75, 54,514.13 and 11,718.75

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Solution

The fourth proportional to 36,342.75, 54,514.13 and 11,718.75 is: 17,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.75 : 54,514.13 = 11,718.75 : x
  2. Step 2: Convert to fraction form
    36,342.75/54,514.13 = 11,718.75/x
  3. Step 3: Cross multiply
    36,342.75x = 54,514.13 × 11,718.75
  4. Step 4: Simplify right side
    36,342.75x = 638,837,402.34
  5. Step 5: Solve for x
    x = 638,837,402.34/36,342.75
  6. Step 6: Final answer
    x = 17,578.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.