Home / 13,225.24-18,250.82-7,560.11

Finding the Fourth Proportional to 13,225.24, 18,250.82 and 7,560.11

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Solution

The fourth proportional to 13,225.24, 18,250.82 and 7,560.11 is: 10,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.24 : 18,250.82 = 7,560.11 : x
  2. Step 2: Convert to fraction form
    13,225.24/18,250.82 = 7,560.11/x
  3. Step 3: Cross multiply
    13,225.24x = 18,250.82 × 7,560.11
  4. Step 4: Simplify right side
    13,225.24x = 137,978,206.79
  5. Step 5: Solve for x
    x = 137,978,206.79/13,225.24
  6. Step 6: Final answer
    x = 10,432.95

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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.