Home / 26,215.28-36,175.84-14,278.56

Finding the Fourth Proportional to 26,215.28, 36,175.84 and 14,278.56

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Solution

The fourth proportional to 26,215.28, 36,175.84 and 14,278.56 is: 19,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.28 : 36,175.84 = 14,278.56 : x
  2. Step 2: Convert to fraction form
    26,215.28/36,175.84 = 14,278.56/x
  3. Step 3: Cross multiply
    26,215.28x = 36,175.84 × 14,278.56
  4. Step 4: Simplify right side
    26,215.28x = 516,538,901.99
  5. Step 5: Solve for x
    x = 516,538,901.99/26,215.28
  6. Step 6: Final answer
    x = 19,703.73

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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.