Home / 27,220.14-40,841.82-14,081.76

Finding the Fourth Proportional to 27,220.14, 40,841.82 and 14,081.76

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Solution

The fourth proportional to 27,220.14, 40,841.82 and 14,081.76 is: 21,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.14 : 40,841.82 = 14,081.76 : x
  2. Step 2: Convert to fraction form
    27,220.14/40,841.82 = 14,081.76/x
  3. Step 3: Cross multiply
    27,220.14x = 40,841.82 × 14,081.76
  4. Step 4: Simplify right side
    27,220.14x = 575,124,707.20
  5. Step 5: Solve for x
    x = 575,124,707.20/27,220.14
  6. Step 6: Final answer
    x = 21,128.65

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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.