Home / 26,405.28-36,440.13-14,469.38

Finding the Fourth Proportional to 26,405.28, 36,440.13 and 14,469.38

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Solution

The fourth proportional to 26,405.28, 36,440.13 and 14,469.38 is: 19,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.28 : 36,440.13 = 14,469.38 : x
  2. Step 2: Convert to fraction form
    26,405.28/36,440.13 = 14,469.38/x
  3. Step 3: Cross multiply
    26,405.28x = 36,440.13 × 14,469.38
  4. Step 4: Simplify right side
    26,405.28x = 527,265,833.67
  5. Step 5: Solve for x
    x = 527,265,833.67/26,405.28
  6. Step 6: Final answer
    x = 19,968.20

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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.