Home / 18,489.76-25,514.48-10,106.24

Finding the Fourth Proportional to 18,489.76, 25,514.48 and 10,106.24

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Solution

The fourth proportional to 18,489.76, 25,514.48 and 10,106.24 is: 13,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,489.76 : 25,514.48 = 10,106.24 : x
  2. Step 2: Convert to fraction form
    18,489.76/25,514.48 = 10,106.24/x
  3. Step 3: Cross multiply
    18,489.76x = 25,514.48 × 10,106.24
  4. Step 4: Simplify right side
    18,489.76x = 257,855,458.36
  5. Step 5: Solve for x
    x = 257,855,458.36/18,489.76
  6. Step 6: Final answer
    x = 13,945.85

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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.