Home / 20,746.06-28,628.85-11,793.94

Finding the Fourth Proportional to 20,746.06, 28,628.85 and 11,793.94

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Solution

The fourth proportional to 20,746.06, 28,628.85 and 11,793.94 is: 16,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.06 : 28,628.85 = 11,793.94 : x
  2. Step 2: Convert to fraction form
    20,746.06/28,628.85 = 11,793.94/x
  3. Step 3: Cross multiply
    20,746.06x = 28,628.85 × 11,793.94
  4. Step 4: Simplify right side
    20,746.06x = 337,646,939.17
  5. Step 5: Solve for x
    x = 337,646,939.17/20,746.06
  6. Step 6: Final answer
    x = 16,275.23

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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.