Home / 22,120.29-33,129.41-13,335.84

Finding the Fourth Proportional to 22,120.29, 33,129.41 and 13,335.84

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Solution

The fourth proportional to 22,120.29, 33,129.41 and 13,335.84 is: 19,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.29 : 33,129.41 = 13,335.84 : x
  2. Step 2: Convert to fraction form
    22,120.29/33,129.41 = 13,335.84/x
  3. Step 3: Cross multiply
    22,120.29x = 33,129.41 × 13,335.84
  4. Step 4: Simplify right side
    22,120.29x = 441,808,444.38
  5. Step 5: Solve for x
    x = 441,808,444.38/22,120.29
  6. Step 6: Final answer
    x = 19,973.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.