Home / 15,002.20-22,503.30-9,388.90

Finding the Fourth Proportional to 15,002.20, 22,503.30 and 9,388.90

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Solution

The fourth proportional to 15,002.20, 22,503.30 and 9,388.90 is: 14,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,002.20 : 22,503.30 = 9,388.90 : x
  2. Step 2: Convert to fraction form
    15,002.20/22,503.30 = 9,388.90/x
  3. Step 3: Cross multiply
    15,002.20x = 22,503.30 × 9,388.90
  4. Step 4: Simplify right side
    15,002.20x = 211,281,233.37
  5. Step 5: Solve for x
    x = 211,281,233.37/15,002.20
  6. Step 6: Final answer
    x = 14,083.35

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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.