Home / 18,570.20-25,626.92-10,617.08

Finding the Fourth Proportional to 18,570.20, 25,626.92 and 10,617.08

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Solution

The fourth proportional to 18,570.20, 25,626.92 and 10,617.08 is: 14,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.20 : 25,626.92 = 10,617.08 : x
  2. Step 2: Convert to fraction form
    18,570.20/25,626.92 = 10,617.08/x
  3. Step 3: Cross multiply
    18,570.20x = 25,626.92 × 10,617.08
  4. Step 4: Simplify right side
    18,570.20x = 272,082,878.57
  5. Step 5: Solve for x
    x = 272,082,878.57/18,570.20
  6. Step 6: Final answer
    x = 14,651.59

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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.