Home / 22,428.88-33,760.30-19,046.32

Finding the Fourth Proportional to 22,428.88, 33,760.30 and 19,046.32

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Solution

The fourth proportional to 22,428.88, 33,760.30 and 19,046.32 is: 28,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.88 : 33,760.30 = 19,046.32 : x
  2. Step 2: Convert to fraction form
    22,428.88/33,760.30 = 19,046.32/x
  3. Step 3: Cross multiply
    22,428.88x = 33,760.30 × 19,046.32
  4. Step 4: Simplify right side
    22,428.88x = 643,009,477.10
  5. Step 5: Solve for x
    x = 643,009,477.10/22,428.88
  6. Step 6: Final answer
    x = 28,668.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.