Home / 19,101.52-28,648.56-9,611.32

Finding the Fourth Proportional to 19,101.52, 28,648.56 and 9,611.32

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Solution

The fourth proportional to 19,101.52, 28,648.56 and 9,611.32 is: 14,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.52 : 28,648.56 = 9,611.32 : x
  2. Step 2: Convert to fraction form
    19,101.52/28,648.56 = 9,611.32/x
  3. Step 3: Cross multiply
    19,101.52x = 28,648.56 × 9,611.32
  4. Step 4: Simplify right side
    19,101.52x = 275,350,477.70
  5. Step 5: Solve for x
    x = 275,350,477.70/19,101.52
  6. Step 6: Final answer
    x = 14,415.11

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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.