Home / 22,430.16-33,654.36-11,340

Finding the Fourth Proportional to 22,430.16, 33,654.36 and 11,340

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Solution

The fourth proportional to 22,430.16, 33,654.36 and 11,340 is: 17,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.16 : 33,654.36 = 11,340 : x
  2. Step 2: Convert to fraction form
    22,430.16/33,654.36 = 11,340/x
  3. Step 3: Cross multiply
    22,430.16x = 33,654.36 × 11,340
  4. Step 4: Simplify right side
    22,430.16x = 381,640,442.40
  5. Step 5: Solve for x
    x = 381,640,442.40/22,430.16
  6. Step 6: Final answer
    x = 17,014.61

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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.