Home / 15,174.78-22,756.41-4,641.60

Finding the Fourth Proportional to 15,174.78, 22,756.41 and 4,641.60

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Solution

The fourth proportional to 15,174.78, 22,756.41 and 4,641.60 is: 6,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.78 : 22,756.41 = 4,641.60 : x
  2. Step 2: Convert to fraction form
    15,174.78/22,756.41 = 4,641.60/x
  3. Step 3: Cross multiply
    15,174.78x = 22,756.41 × 4,641.60
  4. Step 4: Simplify right side
    15,174.78x = 105,626,152.66
  5. Step 5: Solve for x
    x = 105,626,152.66/15,174.78
  6. Step 6: Final answer
    x = 6,960.64

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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.