Home / 18,581.08-25,641.12-10,197.76

Finding the Fourth Proportional to 18,581.08, 25,641.12 and 10,197.76

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Solution

The fourth proportional to 18,581.08, 25,641.12 and 10,197.76 is: 14,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.08 : 25,641.12 = 10,197.76 : x
  2. Step 2: Convert to fraction form
    18,581.08/25,641.12 = 10,197.76/x
  3. Step 3: Cross multiply
    18,581.08x = 25,641.12 × 10,197.76
  4. Step 4: Simplify right side
    18,581.08x = 261,481,987.89
  5. Step 5: Solve for x
    x = 261,481,987.89/18,581.08
  6. Step 6: Final answer
    x = 14,072.49

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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.