Home / 19,750.14-27,255.18-11,366.64

Finding the Fourth Proportional to 19,750.14, 27,255.18 and 11,366.64

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Solution

The fourth proportional to 19,750.14, 27,255.18 and 11,366.64 is: 15,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.14 : 27,255.18 = 11,366.64 : x
  2. Step 2: Convert to fraction form
    19,750.14/27,255.18 = 11,366.64/x
  3. Step 3: Cross multiply
    19,750.14x = 27,255.18 × 11,366.64
  4. Step 4: Simplify right side
    19,750.14x = 309,799,819.20
  5. Step 5: Solve for x
    x = 309,799,819.20/19,750.14
  6. Step 6: Final answer
    x = 15,685.96

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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.