Home / 20,444.24-28,212.36-11,612.24

Finding the Fourth Proportional to 20,444.24, 28,212.36 and 11,612.24

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Solution

The fourth proportional to 20,444.24, 28,212.36 and 11,612.24 is: 16,024.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.24 : 28,212.36 = 11,612.24 : x
  2. Step 2: Convert to fraction form
    20,444.24/28,212.36 = 11,612.24/x
  3. Step 3: Cross multiply
    20,444.24x = 28,212.36 × 11,612.24
  4. Step 4: Simplify right side
    20,444.24x = 327,608,695.29
  5. Step 5: Solve for x
    x = 327,608,695.29/20,444.24
  6. Step 6: Final answer
    x = 16,024.50

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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.