Home / 23,281.80-34,905.12-11,603.28

Finding the Fourth Proportional to 23,281.80, 34,905.12 and 11,603.28

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Solution

The fourth proportional to 23,281.80, 34,905.12 and 11,603.28 is: 17,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.80 : 34,905.12 = 11,603.28 : x
  2. Step 2: Convert to fraction form
    23,281.80/34,905.12 = 11,603.28/x
  3. Step 3: Cross multiply
    23,281.80x = 34,905.12 × 11,603.28
  4. Step 4: Simplify right side
    23,281.80x = 405,013,880.79
  5. Step 5: Solve for x
    x = 405,013,880.79/23,281.80
  6. Step 6: Final answer
    x = 17,396.16

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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.