Home / 22,358.40-33,501.15-19,077.90

Finding the Fourth Proportional to 22,358.40, 33,501.15 and 19,077.90

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Solution

The fourth proportional to 22,358.40, 33,501.15 and 19,077.90 is: 28,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.40 : 33,501.15 = 19,077.90 : x
  2. Step 2: Convert to fraction form
    22,358.40/33,501.15 = 19,077.90/x
  3. Step 3: Cross multiply
    22,358.40x = 33,501.15 × 19,077.90
  4. Step 4: Simplify right side
    22,358.40x = 639,131,589.59
  5. Step 5: Solve for x
    x = 639,131,589.59/22,358.40
  6. Step 6: Final answer
    x = 28,585.75

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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.