Home / 22,270.20-30,718.08-14,322.48

Finding the Fourth Proportional to 22,270.20, 30,718.08 and 14,322.48

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Solution

The fourth proportional to 22,270.20, 30,718.08 and 14,322.48 is: 19,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.20 : 30,718.08 = 14,322.48 : x
  2. Step 2: Convert to fraction form
    22,270.20/30,718.08 = 14,322.48/x
  3. Step 3: Cross multiply
    22,270.20x = 30,718.08 × 14,322.48
  4. Step 4: Simplify right side
    22,270.20x = 439,959,086.44
  5. Step 5: Solve for x
    x = 439,959,086.44/22,270.20
  6. Step 6: Final answer
    x = 19,755.51

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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.