Home / 22,470.36-33,642.60-11,916.52

Finding the Fourth Proportional to 22,470.36, 33,642.60 and 11,916.52

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Solution

The fourth proportional to 22,470.36, 33,642.60 and 11,916.52 is: 17,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.36 : 33,642.60 = 11,916.52 : x
  2. Step 2: Convert to fraction form
    22,470.36/33,642.60 = 11,916.52/x
  3. Step 3: Cross multiply
    22,470.36x = 33,642.60 × 11,916.52
  4. Step 4: Simplify right side
    22,470.36x = 400,902,715.75
  5. Step 5: Solve for x
    x = 400,902,715.75/22,470.36
  6. Step 6: Final answer
    x = 17,841.40

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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.