Home / 27,430.82-41,142.01-8,708.42

Finding the Fourth Proportional to 27,430.82, 41,142.01 and 8,708.42

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Solution

The fourth proportional to 27,430.82, 41,142.01 and 8,708.42 is: 13,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430.82 : 41,142.01 = 8,708.42 : x
  2. Step 2: Convert to fraction form
    27,430.82/41,142.01 = 8,708.42/x
  3. Step 3: Cross multiply
    27,430.82x = 41,142.01 × 8,708.42
  4. Step 4: Simplify right side
    27,430.82x = 358,281,902.72
  5. Step 5: Solve for x
    x = 358,281,902.72/27,430.82
  6. Step 6: Final answer
    x = 13,061.29

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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.