Home / 15,282.05-22,917.90-5,419.94

Finding the Fourth Proportional to 15,282.05, 22,917.90 and 5,419.94

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Solution

The fourth proportional to 15,282.05, 22,917.90 and 5,419.94 is: 8,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.05 : 22,917.90 = 5,419.94 : x
  2. Step 2: Convert to fraction form
    15,282.05/22,917.90 = 5,419.94/x
  3. Step 3: Cross multiply
    15,282.05x = 22,917.90 × 5,419.94
  4. Step 4: Simplify right side
    15,282.05x = 124,213,642.93
  5. Step 5: Solve for x
    x = 124,213,642.93/15,282.05
  6. Step 6: Final answer
    x = 8,128.07

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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.