Home / 26,215.20-36,177.28-14,278.63

Finding the Fourth Proportional to 26,215.20, 36,177.28 and 14,278.63

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Solution

The fourth proportional to 26,215.20, 36,177.28 and 14,278.63 is: 19,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.20 : 36,177.28 = 14,278.63 : x
  2. Step 2: Convert to fraction form
    26,215.20/36,177.28 = 14,278.63/x
  3. Step 3: Cross multiply
    26,215.20x = 36,177.28 × 14,278.63
  4. Step 4: Simplify right side
    26,215.20x = 516,561,995.53
  5. Step 5: Solve for x
    x = 516,561,995.53/26,215.20
  6. Step 6: Final answer
    x = 19,704.67

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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.