Home / 14,833.20-22,213.80-7,892.40

Finding the Fourth Proportional to 14,833.20, 22,213.80 and 7,892.40

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Solution

The fourth proportional to 14,833.20, 22,213.80 and 7,892.40 is: 11,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.20 : 22,213.80 = 7,892.40 : x
  2. Step 2: Convert to fraction form
    14,833.20/22,213.80 = 7,892.40/x
  3. Step 3: Cross multiply
    14,833.20x = 22,213.80 × 7,892.40
  4. Step 4: Simplify right side
    14,833.20x = 175,320,195.12
  5. Step 5: Solve for x
    x = 175,320,195.12/14,833.20
  6. Step 6: Final answer
    x = 11,819.45

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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.