Home / 19,116.24-28,661.40-9,733.20

Finding the Fourth Proportional to 19,116.24, 28,661.40 and 9,733.20

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Solution

The fourth proportional to 19,116.24, 28,661.40 and 9,733.20 is: 14,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.24 : 28,661.40 = 9,733.20 : x
  2. Step 2: Convert to fraction form
    19,116.24/28,661.40 = 9,733.20/x
  3. Step 3: Cross multiply
    19,116.24x = 28,661.40 × 9,733.20
  4. Step 4: Simplify right side
    19,116.24x = 278,967,138.48
  5. Step 5: Solve for x
    x = 278,967,138.48/19,116.24
  6. Step 6: Final answer
    x = 14,593.20

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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.