Home / 13,226.84-18,251.88-7,560.46

Finding the Fourth Proportional to 13,226.84, 18,251.88 and 7,560.46

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Solution

The fourth proportional to 13,226.84, 18,251.88 and 7,560.46 is: 10,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.84 : 18,251.88 = 7,560.46 : x
  2. Step 2: Convert to fraction form
    13,226.84/18,251.88 = 7,560.46/x
  3. Step 3: Cross multiply
    13,226.84x = 18,251.88 × 7,560.46
  4. Step 4: Simplify right side
    13,226.84x = 137,992,608.66
  5. Step 5: Solve for x
    x = 137,992,608.66/13,226.84
  6. Step 6: Final answer
    x = 10,432.77

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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.