Home / 26,623.44-36,742.20-15,294.78

Finding the Fourth Proportional to 26,623.44, 36,742.20 and 15,294.78

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Solution

The fourth proportional to 26,623.44, 36,742.20 and 15,294.78 is: 21,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.44 : 36,742.20 = 15,294.78 : x
  2. Step 2: Convert to fraction form
    26,623.44/36,742.20 = 15,294.78/x
  3. Step 3: Cross multiply
    26,623.44x = 36,742.20 × 15,294.78
  4. Step 4: Simplify right side
    26,623.44x = 561,963,865.72
  5. Step 5: Solve for x
    x = 561,963,865.72/26,623.44
  6. Step 6: Final answer
    x = 21,107.86

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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.