Home / 18,726.04-25,839.30-10,765.36

Finding the Fourth Proportional to 18,726.04, 25,839.30 and 10,765.36

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Solution

The fourth proportional to 18,726.04, 25,839.30 and 10,765.36 is: 14,854.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.04 : 25,839.30 = 10,765.36 : x
  2. Step 2: Convert to fraction form
    18,726.04/25,839.30 = 10,765.36/x
  3. Step 3: Cross multiply
    18,726.04x = 25,839.30 × 10,765.36
  4. Step 4: Simplify right side
    18,726.04x = 278,169,366.65
  5. Step 5: Solve for x
    x = 278,169,366.65/18,726.04
  6. Step 6: Final answer
    x = 14,854.68

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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.