Home / 26,405.28-36,440.40-14,469.66

Finding the Fourth Proportional to 26,405.28, 36,440.40 and 14,469.66

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Solution

The fourth proportional to 26,405.28, 36,440.40 and 14,469.66 is: 19,968.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.28 : 36,440.40 = 14,469.66 : x
  2. Step 2: Convert to fraction form
    26,405.28/36,440.40 = 14,469.66/x
  3. Step 3: Cross multiply
    26,405.28x = 36,440.40 × 14,469.66
  4. Step 4: Simplify right side
    26,405.28x = 527,280,198.26
  5. Step 5: Solve for x
    x = 527,280,198.26/26,405.28
  6. Step 6: Final answer
    x = 19,968.74

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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.