Home / 18,279.51-25,226.42-10,322.61

Finding the Fourth Proportional to 18,279.51, 25,226.42 and 10,322.61

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Solution

The fourth proportional to 18,279.51, 25,226.42 and 10,322.61 is: 14,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.51 : 25,226.42 = 10,322.61 : x
  2. Step 2: Convert to fraction form
    18,279.51/25,226.42 = 10,322.61/x
  3. Step 3: Cross multiply
    18,279.51x = 25,226.42 × 10,322.61
  4. Step 4: Simplify right side
    18,279.51x = 260,402,443.74
  5. Step 5: Solve for x
    x = 260,402,443.74/18,279.51
  6. Step 6: Final answer
    x = 14,245.59

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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.