Home / 18,726.75-25,842.93-10,343.79

Finding the Fourth Proportional to 18,726.75, 25,842.93 and 10,343.79

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Solution

The fourth proportional to 18,726.75, 25,842.93 and 10,343.79 is: 14,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.75 : 25,842.93 = 10,343.79 : x
  2. Step 2: Convert to fraction form
    18,726.75/25,842.93 = 10,343.79/x
  3. Step 3: Cross multiply
    18,726.75x = 25,842.93 × 10,343.79
  4. Step 4: Simplify right side
    18,726.75x = 267,313,840.90
  5. Step 5: Solve for x
    x = 267,313,840.90/18,726.75
  6. Step 6: Final answer
    x = 14,274.44

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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.