Home / 27,186.04-40,780.38-9,658.48

Finding the Fourth Proportional to 27,186.04, 40,780.38 and 9,658.48

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Solution

The fourth proportional to 27,186.04, 40,780.38 and 9,658.48 is: 14,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.04 : 40,780.38 = 9,658.48 : x
  2. Step 2: Convert to fraction form
    27,186.04/40,780.38 = 9,658.48/x
  3. Step 3: Cross multiply
    27,186.04x = 40,780.38 × 9,658.48
  4. Step 4: Simplify right side
    27,186.04x = 393,876,484.62
  5. Step 5: Solve for x
    x = 393,876,484.62/27,186.04
  6. Step 6: Final answer
    x = 14,488.19

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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.