Home / 18,235.71-25,164.55-10,279.58

Finding the Fourth Proportional to 18,235.71, 25,164.55 and 10,279.58

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Solution

The fourth proportional to 18,235.71, 25,164.55 and 10,279.58 is: 14,185.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,235.71 : 25,164.55 = 10,279.58 : x
  2. Step 2: Convert to fraction form
    18,235.71/25,164.55 = 10,279.58/x
  3. Step 3: Cross multiply
    18,235.71x = 25,164.55 × 10,279.58
  4. Step 4: Simplify right side
    18,235.71x = 258,681,042.10
  5. Step 5: Solve for x
    x = 258,681,042.10/18,235.71
  6. Step 6: Final answer
    x = 14,185.41

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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.