Home / 18,838.13-25,996.68-10,454.63

Finding the Fourth Proportional to 18,838.13, 25,996.68 and 10,454.63

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Solution

The fourth proportional to 18,838.13, 25,996.68 and 10,454.63 is: 14,427.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.13 : 25,996.68 = 10,454.63 : x
  2. Step 2: Convert to fraction form
    18,838.13/25,996.68 = 10,454.63/x
  3. Step 3: Cross multiply
    18,838.13x = 25,996.68 × 10,454.63
  4. Step 4: Simplify right side
    18,838.13x = 271,785,540.65
  5. Step 5: Solve for x
    x = 271,785,540.65/18,838.13
  6. Step 6: Final answer
    x = 14,427.42

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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.