Home / 23,290.38-32,118.99-15,220.62

Finding the Fourth Proportional to 23,290.38, 32,118.99 and 15,220.62

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Solution

The fourth proportional to 23,290.38, 32,118.99 and 15,220.62 is: 20,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.38 : 32,118.99 = 15,220.62 : x
  2. Step 2: Convert to fraction form
    23,290.38/32,118.99 = 15,220.62/x
  3. Step 3: Cross multiply
    23,290.38x = 32,118.99 × 15,220.62
  4. Step 4: Simplify right side
    23,290.38x = 488,870,941.57
  5. Step 5: Solve for x
    x = 488,870,941.57/23,290.38
  6. Step 6: Final answer
    x = 20,990.25

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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.