Home / 15,175.71-22,766.95-4,647.21

Finding the Fourth Proportional to 15,175.71, 22,766.95 and 4,647.21

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Solution

The fourth proportional to 15,175.71, 22,766.95 and 4,647.21 is: 6,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.71 : 22,766.95 = 4,647.21 : x
  2. Step 2: Convert to fraction form
    15,175.71/22,766.95 = 4,647.21/x
  3. Step 3: Cross multiply
    15,175.71x = 22,766.95 × 4,647.21
  4. Step 4: Simplify right side
    15,175.71x = 105,802,786.09
  5. Step 5: Solve for x
    x = 105,802,786.09/15,175.71
  6. Step 6: Final answer
    x = 6,971.85

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1.5x scale

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.