Home / 13,470.34-20,205.60-4,705.26

Finding the Fourth Proportional to 13,470.34, 20,205.60 and 4,705.26

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Solution

The fourth proportional to 13,470.34, 20,205.60 and 4,705.26 is: 7,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,470.34 : 20,205.60 = 4,705.26 : x
  2. Step 2: Convert to fraction form
    13,470.34/20,205.60 = 4,705.26/x
  3. Step 3: Cross multiply
    13,470.34x = 20,205.60 × 4,705.26
  4. Step 4: Simplify right side
    13,470.34x = 95,072,601.46
  5. Step 5: Solve for x
    x = 95,072,601.46/13,470.34
  6. Step 6: Final answer
    x = 7,057.92

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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.