Home / 13,226.68-18,251.63-7,560.30

Finding the Fourth Proportional to 13,226.68, 18,251.63 and 7,560.30

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Solution

The fourth proportional to 13,226.68, 18,251.63 and 7,560.30 is: 10,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.68 : 18,251.63 = 7,560.30 : x
  2. Step 2: Convert to fraction form
    13,226.68/18,251.63 = 7,560.30/x
  3. Step 3: Cross multiply
    13,226.68x = 18,251.63 × 7,560.30
  4. Step 4: Simplify right side
    13,226.68x = 137,987,798.29
  5. Step 5: Solve for x
    x = 137,987,798.29/13,226.68
  6. Step 6: Final answer
    x = 10,432.53

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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.