Home / 26,754.93-36,921.71-15,424.38

Finding the Fourth Proportional to 26,754.93, 36,921.71 and 15,424.38

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Solution

The fourth proportional to 26,754.93, 36,921.71 and 15,424.38 is: 21,285.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,754.93 : 36,921.71 = 15,424.38 : x
  2. Step 2: Convert to fraction form
    26,754.93/36,921.71 = 15,424.38/x
  3. Step 3: Cross multiply
    26,754.93x = 36,921.71 × 15,424.38
  4. Step 4: Simplify right side
    26,754.93x = 569,494,223.56
  5. Step 5: Solve for x
    x = 569,494,223.56/26,754.93
  6. Step 6: Final answer
    x = 21,285.58

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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.