Home / 13,225.74-18,251.52-7,560.61

Finding the Fourth Proportional to 13,225.74, 18,251.52 and 7,560.61

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Solution

The fourth proportional to 13,225.74, 18,251.52 and 7,560.61 is: 10,433.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.74 : 18,251.52 = 7,560.61 : x
  2. Step 2: Convert to fraction form
    13,225.74/18,251.52 = 7,560.61/x
  3. Step 3: Cross multiply
    13,225.74x = 18,251.52 × 7,560.61
  4. Step 4: Simplify right side
    13,225.74x = 137,992,624.63
  5. Step 5: Solve for x
    x = 137,992,624.63/13,225.74
  6. Step 6: Final answer
    x = 10,433.64

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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.