Home / 20,746.56-28,630.38-11,794.08

Finding the Fourth Proportional to 20,746.56, 28,630.38 and 11,794.08

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Solution

The fourth proportional to 20,746.56, 28,630.38 and 11,794.08 is: 16,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.56 : 28,630.38 = 11,794.08 : x
  2. Step 2: Convert to fraction form
    20,746.56/28,630.38 = 11,794.08/x
  3. Step 3: Cross multiply
    20,746.56x = 28,630.38 × 11,794.08
  4. Step 4: Simplify right side
    20,746.56x = 337,668,992.15
  5. Step 5: Solve for x
    x = 337,668,992.15/20,746.56
  6. Step 6: Final answer
    x = 16,275.90

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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.