Home / 18,726.71-28,065.44-9,244.23

Finding the Fourth Proportional to 18,726.71, 28,065.44 and 9,244.23

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Solution

The fourth proportional to 18,726.71, 28,065.44 and 9,244.23 is: 13,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.71 : 28,065.44 = 9,244.23 : x
  2. Step 2: Convert to fraction form
    18,726.71/28,065.44 = 9,244.23/x
  3. Step 3: Cross multiply
    18,726.71x = 28,065.44 × 9,244.23
  4. Step 4: Simplify right side
    18,726.71x = 259,443,336.19
  5. Step 5: Solve for x
    x = 259,443,336.19/18,726.71
  6. Step 6: Final answer
    x = 13,854.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.