Home / 22,919.87-34,360.20-10,435.43

Finding the Fourth Proportional to 22,919.87, 34,360.20 and 10,435.43

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Solution

The fourth proportional to 22,919.87, 34,360.20 and 10,435.43 is: 15,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.87 : 34,360.20 = 10,435.43 : x
  2. Step 2: Convert to fraction form
    22,919.87/34,360.20 = 10,435.43/x
  3. Step 3: Cross multiply
    22,919.87x = 34,360.20 × 10,435.43
  4. Step 4: Simplify right side
    22,919.87x = 358,563,461.89
  5. Step 5: Solve for x
    x = 358,563,461.89/22,919.87
  6. Step 6: Final answer
    x = 15,644.22

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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.