Home / 18,726.10-25,842.02-10,342.60

Finding the Fourth Proportional to 18,726.10, 25,842.02 and 10,342.60

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Solution

The fourth proportional to 18,726.10, 25,842.02 and 10,342.60 is: 14,272.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.10 : 25,842.02 = 10,342.60 : x
  2. Step 2: Convert to fraction form
    18,726.10/25,842.02 = 10,342.60/x
  3. Step 3: Cross multiply
    18,726.10x = 25,842.02 × 10,342.60
  4. Step 4: Simplify right side
    18,726.10x = 267,273,676.05
  5. Step 5: Solve for x
    x = 267,273,676.05/18,726.10
  6. Step 6: Final answer
    x = 14,272.79

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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.