Home / 15,215.51-22,825.18-5,222.20

Finding the Fourth Proportional to 15,215.51, 22,825.18 and 5,222.20

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Solution

The fourth proportional to 15,215.51, 22,825.18 and 5,222.20 is: 7,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.51 : 22,825.18 = 5,222.20 : x
  2. Step 2: Convert to fraction form
    15,215.51/22,825.18 = 5,222.20/x
  3. Step 3: Cross multiply
    15,215.51x = 22,825.18 × 5,222.20
  4. Step 4: Simplify right side
    15,215.51x = 119,197,584.88
  5. Step 5: Solve for x
    x = 119,197,584.88/15,215.51
  6. Step 6: Final answer
    x = 7,833.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.