Home / 22,275.27-30,739.50-12,203.28

Finding the Fourth Proportional to 22,275.27, 30,739.50 and 12,203.28

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Solution

The fourth proportional to 22,275.27, 30,739.50 and 12,203.28 is: 16,840.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.27 : 30,739.50 = 12,203.28 : x
  2. Step 2: Convert to fraction form
    22,275.27/30,739.50 = 12,203.28/x
  3. Step 3: Cross multiply
    22,275.27x = 30,739.50 × 12,203.28
  4. Step 4: Simplify right side
    22,275.27x = 375,122,725.56
  5. Step 5: Solve for x
    x = 375,122,725.56/22,275.27
  6. Step 6: Final answer
    x = 16,840.32

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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.