Home / 26,199.16-36,150.78-15,019

Finding the Fourth Proportional to 26,199.16, 36,150.78 and 15,019

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Solution

The fourth proportional to 26,199.16, 36,150.78 and 15,019 is: 20,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,199.16 : 36,150.78 = 15,019 : x
  2. Step 2: Convert to fraction form
    26,199.16/36,150.78 = 15,019/x
  3. Step 3: Cross multiply
    26,199.16x = 36,150.78 × 15,019
  4. Step 4: Simplify right side
    26,199.16x = 542,948,564.82
  5. Step 5: Solve for x
    x = 542,948,564.82/26,199.16
  6. Step 6: Final answer
    x = 20,723.89

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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.