Home / 18,427.38-25,429.73-10,043.88

Finding the Fourth Proportional to 18,427.38, 25,429.73 and 10,043.88

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Solution

The fourth proportional to 18,427.38, 25,429.73 and 10,043.88 is: 13,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.38 : 25,429.73 = 10,043.88 : x
  2. Step 2: Convert to fraction form
    18,427.38/25,429.73 = 10,043.88/x
  3. Step 3: Cross multiply
    18,427.38x = 25,429.73 × 10,043.88
  4. Step 4: Simplify right side
    18,427.38x = 255,413,106.33
  5. Step 5: Solve for x
    x = 255,413,106.33/18,427.38
  6. Step 6: Final answer
    x = 13,860.52

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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.