Home / 26,343.68-36,353.10-15,015.62

Finding the Fourth Proportional to 26,343.68, 36,353.10 and 15,015.62

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Solution

The fourth proportional to 26,343.68, 36,353.10 and 15,015.62 is: 20,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.68 : 36,353.10 = 15,015.62 : x
  2. Step 2: Convert to fraction form
    26,343.68/36,353.10 = 15,015.62/x
  3. Step 3: Cross multiply
    26,343.68x = 36,353.10 × 15,015.62
  4. Step 4: Simplify right side
    26,343.68x = 545,864,335.42
  5. Step 5: Solve for x
    x = 545,864,335.42/26,343.68
  6. Step 6: Final answer
    x = 20,720.88

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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.