Home / 15,388.20-23,033.70-14,902.20

Finding the Fourth Proportional to 15,388.20, 23,033.70 and 14,902.20

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Solution

The fourth proportional to 15,388.20, 23,033.70 and 14,902.20 is: 22,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.20 : 23,033.70 = 14,902.20 : x
  2. Step 2: Convert to fraction form
    15,388.20/23,033.70 = 14,902.20/x
  3. Step 3: Cross multiply
    15,388.20x = 23,033.70 × 14,902.20
  4. Step 4: Simplify right side
    15,388.20x = 343,252,804.14
  5. Step 5: Solve for x
    x = 343,252,804.14/15,388.20
  6. Step 6: Final answer
    x = 22,306.23

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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.