Home / 26,715.68-36,865.44-15,384.56

Finding the Fourth Proportional to 26,715.68, 36,865.44 and 15,384.56

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Solution

The fourth proportional to 26,715.68, 36,865.44 and 15,384.56 is: 21,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,715.68 : 36,865.44 = 15,384.56 : x
  2. Step 2: Convert to fraction form
    26,715.68/36,865.44 = 15,384.56/x
  3. Step 3: Cross multiply
    26,715.68x = 36,865.44 × 15,384.56
  4. Step 4: Simplify right side
    26,715.68x = 567,158,573.61
  5. Step 5: Solve for x
    x = 567,158,573.61/26,715.68
  6. Step 6: Final answer
    x = 21,229.43

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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.