Home / 18,535.80-25,581.84-10,576.20

Finding the Fourth Proportional to 18,535.80, 25,581.84 and 10,576.20

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Solution

The fourth proportional to 18,535.80, 25,581.84 and 10,576.20 is: 14,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.80 : 25,581.84 = 10,576.20 : x
  2. Step 2: Convert to fraction form
    18,535.80/25,581.84 = 10,576.20/x
  3. Step 3: Cross multiply
    18,535.80x = 25,581.84 × 10,576.20
  4. Step 4: Simplify right side
    18,535.80x = 270,558,656.21
  5. Step 5: Solve for x
    x = 270,558,656.21/18,535.80
  6. Step 6: Final answer
    x = 14,596.55

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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.