Home / 18,716.74-25,833.43-10,763.55

Finding the Fourth Proportional to 18,716.74, 25,833.43 and 10,763.55

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Solution

The fourth proportional to 18,716.74, 25,833.43 and 10,763.55 is: 14,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.74 : 25,833.43 = 10,763.55 : x
  2. Step 2: Convert to fraction form
    18,716.74/25,833.43 = 10,763.55/x
  3. Step 3: Cross multiply
    18,716.74x = 25,833.43 × 10,763.55
  4. Step 4: Simplify right side
    18,716.74x = 278,059,428.93
  5. Step 5: Solve for x
    x = 278,059,428.93/18,716.74
  6. Step 6: Final answer
    x = 14,856.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.