Home / 27,151.19-40,733.56-19,161.55

Finding the Fourth Proportional to 27,151.19, 40,733.56 and 19,161.55

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Solution

The fourth proportional to 27,151.19, 40,733.56 and 19,161.55 is: 28,747.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,151.19 : 40,733.56 = 19,161.55 : x
  2. Step 2: Convert to fraction form
    27,151.19/40,733.56 = 19,161.55/x
  3. Step 3: Cross multiply
    27,151.19x = 40,733.56 × 19,161.55
  4. Step 4: Simplify right side
    27,151.19x = 780,518,278.77
  5. Step 5: Solve for x
    x = 780,518,278.77/27,151.19
  6. Step 6: Final answer
    x = 28,747.12

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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.