Home / 18,439.26-25,446.11-10,055.76

Finding the Fourth Proportional to 18,439.26, 25,446.11 and 10,055.76

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Solution

The fourth proportional to 18,439.26, 25,446.11 and 10,055.76 is: 13,876.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.26 : 25,446.11 = 10,055.76 : x
  2. Step 2: Convert to fraction form
    18,439.26/25,446.11 = 10,055.76/x
  3. Step 3: Cross multiply
    18,439.26x = 25,446.11 × 10,055.76
  4. Step 4: Simplify right side
    18,439.26x = 255,879,975.09
  5. Step 5: Solve for x
    x = 255,879,975.09/18,439.26
  6. Step 6: Final answer
    x = 13,876.91

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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.