Home / 23,167.41-31,971.18-12,557.22

Finding the Fourth Proportional to 23,167.41, 31,971.18 and 12,557.22

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Solution

The fourth proportional to 23,167.41, 31,971.18 and 12,557.22 is: 17,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.41 : 31,971.18 = 12,557.22 : x
  2. Step 2: Convert to fraction form
    23,167.41/31,971.18 = 12,557.22/x
  3. Step 3: Cross multiply
    23,167.41x = 31,971.18 × 12,557.22
  4. Step 4: Simplify right side
    23,167.41x = 401,469,140.92
  5. Step 5: Solve for x
    x = 401,469,140.92/23,167.41
  6. Step 6: Final answer
    x = 17,329.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.