Home / 15,207.60-22,812.20-4,820.16

Finding the Fourth Proportional to 15,207.60, 22,812.20 and 4,820.16

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Solution

The fourth proportional to 15,207.60, 22,812.20 and 4,820.16 is: 7,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.60 : 22,812.20 = 4,820.16 : x
  2. Step 2: Convert to fraction form
    15,207.60/22,812.20 = 4,820.16/x
  3. Step 3: Cross multiply
    15,207.60x = 22,812.20 × 4,820.16
  4. Step 4: Simplify right side
    15,207.60x = 109,958,351.94
  5. Step 5: Solve for x
    x = 109,958,351.94/15,207.60
  6. Step 6: Final answer
    x = 7,230.49

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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.