Home / 22,449.06-30,969.81-13,948.92

Finding the Fourth Proportional to 22,449.06, 30,969.81 and 13,948.92

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Solution

The fourth proportional to 22,449.06, 30,969.81 and 13,948.92 is: 19,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,449.06 : 30,969.81 = 13,948.92 : x
  2. Step 2: Convert to fraction form
    22,449.06/30,969.81 = 13,948.92/x
  3. Step 3: Cross multiply
    22,449.06x = 30,969.81 × 13,948.92
  4. Step 4: Simplify right side
    22,449.06x = 431,995,402.11
  5. Step 5: Solve for x
    x = 431,995,402.11/22,449.06
  6. Step 6: Final answer
    x = 19,243.36

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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.