Home / 14,819.72-20,446.42-10,571.48

Finding the Fourth Proportional to 14,819.72, 20,446.42 and 10,571.48

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Solution

The fourth proportional to 14,819.72, 20,446.42 and 10,571.48 is: 14,585.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,819.72 : 20,446.42 = 10,571.48 : x
  2. Step 2: Convert to fraction form
    14,819.72/20,446.42 = 10,571.48/x
  3. Step 3: Cross multiply
    14,819.72x = 20,446.42 × 10,571.48
  4. Step 4: Simplify right side
    14,819.72x = 216,148,920.10
  5. Step 5: Solve for x
    x = 216,148,920.10/14,819.72
  6. Step 6: Final answer
    x = 14,585.22

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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.