Home / 13,470.33-20,224.13-9,300.05

Finding the Fourth Proportional to 13,470.33, 20,224.13 and 9,300.05

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Solution

The fourth proportional to 13,470.33, 20,224.13 and 9,300.05 is: 13,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.33 : 20,224.13 = 9,300.05 : x
  2. Step 2: Convert to fraction form
    13,470.33/20,224.13 = 9,300.05/x
  3. Step 3: Cross multiply
    13,470.33x = 20,224.13 × 9,300.05
  4. Step 4: Simplify right side
    13,470.33x = 188,085,272.59
  5. Step 5: Solve for x
    x = 188,085,272.59/13,470.33
  6. Step 6: Final answer
    x = 13,962.93

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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.