Home / 23,166.66-31,969.92-12,556.32

Finding the Fourth Proportional to 23,166.66, 31,969.92 and 12,556.32

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Solution

The fourth proportional to 23,166.66, 31,969.92 and 12,556.32 is: 17,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.66 : 31,969.92 = 12,556.32 : x
  2. Step 2: Convert to fraction form
    23,166.66/31,969.92 = 12,556.32/x
  3. Step 3: Cross multiply
    23,166.66x = 31,969.92 × 12,556.32
  4. Step 4: Simplify right side
    23,166.66x = 401,424,545.89
  5. Step 5: Solve for x
    x = 401,424,545.89/23,166.66
  6. Step 6: Final answer
    x = 17,327.68

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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.