Home / 18,443.54-25,454.24-10,486.96

Finding the Fourth Proportional to 18,443.54, 25,454.24 and 10,486.96

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Solution

The fourth proportional to 18,443.54, 25,454.24 and 10,486.96 is: 14,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.54 : 25,454.24 = 10,486.96 : x
  2. Step 2: Convert to fraction form
    18,443.54/25,454.24 = 10,486.96/x
  3. Step 3: Cross multiply
    18,443.54x = 25,454.24 × 10,486.96
  4. Step 4: Simplify right side
    18,443.54x = 266,937,596.71
  5. Step 5: Solve for x
    x = 266,937,596.71/18,443.54
  6. Step 6: Final answer
    x = 14,473.23

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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.