Home / 15,140.61-22,712.07-4,611.52

Finding the Fourth Proportional to 15,140.61, 22,712.07 and 4,611.52

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Solution

The fourth proportional to 15,140.61, 22,712.07 and 4,611.52 is: 6,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.61 : 22,712.07 = 4,611.52 : x
  2. Step 2: Convert to fraction form
    15,140.61/22,712.07 = 4,611.52/x
  3. Step 3: Cross multiply
    15,140.61x = 22,712.07 × 4,611.52
  4. Step 4: Simplify right side
    15,140.61x = 104,737,193.44
  5. Step 5: Solve for x
    x = 104,737,193.44/15,140.61
  6. Step 6: Final answer
    x = 6,917.63

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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.