Home / 26,801.89-36,989.94-15,472.15

Finding the Fourth Proportional to 26,801.89, 36,989.94 and 15,472.15

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Solution

The fourth proportional to 26,801.89, 36,989.94 and 15,472.15 is: 21,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,801.89 : 36,989.94 = 15,472.15 : x
  2. Step 2: Convert to fraction form
    26,801.89/36,989.94 = 15,472.15/x
  3. Step 3: Cross multiply
    26,801.89x = 36,989.94 × 15,472.15
  4. Step 4: Simplify right side
    26,801.89x = 572,313,900.17
  5. Step 5: Solve for x
    x = 572,313,900.17/26,801.89
  6. Step 6: Final answer
    x = 21,353.49

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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.