Home / 27,534.24-38,014.56-18,118.80

Finding the Fourth Proportional to 27,534.24, 38,014.56 and 18,118.80

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Solution

The fourth proportional to 27,534.24, 38,014.56 and 18,118.80 is: 25,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,534.24 : 38,014.56 = 18,118.80 : x
  2. Step 2: Convert to fraction form
    27,534.24/38,014.56 = 18,118.80/x
  3. Step 3: Cross multiply
    27,534.24x = 38,014.56 × 18,118.80
  4. Step 4: Simplify right side
    27,534.24x = 688,778,209.73
  5. Step 5: Solve for x
    x = 688,778,209.73/27,534.24
  6. Step 6: Final answer
    x = 25,015.33

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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.