Home / 15,008.82-22,516.86-5,145.48

Finding the Fourth Proportional to 15,008.82, 22,516.86 and 5,145.48

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Solution

The fourth proportional to 15,008.82, 22,516.86 and 5,145.48 is: 7,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.82 : 22,516.86 = 5,145.48 : x
  2. Step 2: Convert to fraction form
    15,008.82/22,516.86 = 5,145.48/x
  3. Step 3: Cross multiply
    15,008.82x = 22,516.86 × 5,145.48
  4. Step 4: Simplify right side
    15,008.82x = 115,860,052.79
  5. Step 5: Solve for x
    x = 115,860,052.79/15,008.82
  6. Step 6: Final answer
    x = 7,719.46

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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.