Home / 20,793.96-28,695.73-11,362.52

Finding the Fourth Proportional to 20,793.96, 28,695.73 and 11,362.52

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Solution

The fourth proportional to 20,793.96, 28,695.73 and 11,362.52 is: 15,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.96 : 28,695.73 = 11,362.52 : x
  2. Step 2: Convert to fraction form
    20,793.96/28,695.73 = 11,362.52/x
  3. Step 3: Cross multiply
    20,793.96x = 28,695.73 × 11,362.52
  4. Step 4: Simplify right side
    20,793.96x = 326,055,762.71
  5. Step 5: Solve for x
    x = 326,055,762.71/20,793.96
  6. Step 6: Final answer
    x = 15,680.31

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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.