Home / 13,225.61-18,251.37-7,257.33

Finding the Fourth Proportional to 13,225.61, 18,251.37 and 7,257.33

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Solution

The fourth proportional to 13,225.61, 18,251.37 and 7,257.33 is: 10,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225.61 : 18,251.37 = 7,257.33 : x
  2. Step 2: Convert to fraction form
    13,225.61/18,251.37 = 7,257.33/x
  3. Step 3: Cross multiply
    13,225.61x = 18,251.37 × 7,257.33
  4. Step 4: Simplify right side
    13,225.61x = 132,456,215.04
  5. Step 5: Solve for x
    x = 132,456,215.04/13,225.61
  6. Step 6: Final answer
    x = 10,015.13

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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.