Home / 19,722.76-29,572.86-9,334.52

Finding the Fourth Proportional to 19,722.76, 29,572.86 and 9,334.52

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Solution

The fourth proportional to 19,722.76, 29,572.86 and 9,334.52 is: 13,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.76 : 29,572.86 = 9,334.52 : x
  2. Step 2: Convert to fraction form
    19,722.76/29,572.86 = 9,334.52/x
  3. Step 3: Cross multiply
    19,722.76x = 29,572.86 × 9,334.52
  4. Step 4: Simplify right side
    19,722.76x = 276,048,453.13
  5. Step 5: Solve for x
    x = 276,048,453.13/19,722.76
  6. Step 6: Final answer
    x = 13,996.44

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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.