Home / 23,166.18-31,969.53-12,555.99

Finding the Fourth Proportional to 23,166.18, 31,969.53 and 12,555.99

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Solution

The fourth proportional to 23,166.18, 31,969.53 and 12,555.99 is: 17,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.18 : 31,969.53 = 12,555.99 : x
  2. Step 2: Convert to fraction form
    23,166.18/31,969.53 = 12,555.99/x
  3. Step 3: Cross multiply
    23,166.18x = 31,969.53 × 12,555.99
  4. Step 4: Simplify right side
    23,166.18x = 401,409,098.98
  5. Step 5: Solve for x
    x = 401,409,098.98/23,166.18
  6. Step 6: Final answer
    x = 17,327.38

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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.