Home / 26,760.56-36,926.38-15,433.76

Finding the Fourth Proportional to 26,760.56, 36,926.38 and 15,433.76

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Solution

The fourth proportional to 26,760.56, 36,926.38 and 15,433.76 is: 21,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,760.56 : 36,926.38 = 15,433.76 : x
  2. Step 2: Convert to fraction form
    26,760.56/36,926.38 = 15,433.76/x
  3. Step 3: Cross multiply
    26,760.56x = 36,926.38 × 15,433.76
  4. Step 4: Simplify right side
    26,760.56x = 569,912,886.59
  5. Step 5: Solve for x
    x = 569,912,886.59/26,760.56
  6. Step 6: Final answer
    x = 21,296.75

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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.