Home / 18,539.29-25,583.97-10,581.65

Finding the Fourth Proportional to 18,539.29, 25,583.97 and 10,581.65

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Solution

The fourth proportional to 18,539.29, 25,583.97 and 10,581.65 is: 14,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.29 : 25,583.97 = 10,581.65 : x
  2. Step 2: Convert to fraction form
    18,539.29/25,583.97 = 10,581.65/x
  3. Step 3: Cross multiply
    18,539.29x = 25,583.97 × 10,581.65
  4. Step 4: Simplify right side
    18,539.29x = 270,720,616.15
  5. Step 5: Solve for x
    x = 270,720,616.15/18,539.29
  6. Step 6: Final answer
    x = 14,602.53

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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.