Home / 15,140.37-22,711.71-4,611.29

Finding the Fourth Proportional to 15,140.37, 22,711.71 and 4,611.29

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Solution

The fourth proportional to 15,140.37, 22,711.71 and 4,611.29 is: 6,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,140.37 : 22,711.71 = 4,611.29 : x
  2. Step 2: Convert to fraction form
    15,140.37/22,711.71 = 4,611.29/x
  3. Step 3: Cross multiply
    15,140.37x = 22,711.71 × 4,611.29
  4. Step 4: Simplify right side
    15,140.37x = 104,730,184.94
  5. Step 5: Solve for x
    x = 104,730,184.94/15,140.37
  6. Step 6: Final answer
    x = 6,917.28

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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.