Home / 22,114.65-30,466.31-15,388.73

Finding the Fourth Proportional to 22,114.65, 30,466.31 and 15,388.73

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Solution

The fourth proportional to 22,114.65, 30,466.31 and 15,388.73 is: 21,200.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,114.65 : 30,466.31 = 15,388.73 : x
  2. Step 2: Convert to fraction form
    22,114.65/30,466.31 = 15,388.73/x
  3. Step 3: Cross multiply
    22,114.65x = 30,466.31 × 15,388.73
  4. Step 4: Simplify right side
    22,114.65x = 468,837,589.41
  5. Step 5: Solve for x
    x = 468,837,589.41/22,114.65
  6. Step 6: Final answer
    x = 21,200.32

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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.