Home / 19,233.60-28,845-9,373.20

Finding the Fourth Proportional to 19,233.60, 28,845 and 9,373.20

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Solution

The fourth proportional to 19,233.60, 28,845 and 9,373.20 is: 14,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.60 : 28,845 = 9,373.20 : x
  2. Step 2: Convert to fraction form
    19,233.60/28,845 = 9,373.20/x
  3. Step 3: Cross multiply
    19,233.60x = 28,845 × 9,373.20
  4. Step 4: Simplify right side
    19,233.60x = 270,369,954
  5. Step 5: Solve for x
    x = 270,369,954/19,233.60
  6. Step 6: Final answer
    x = 14,057.17

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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.