Home / 23,166.16-31,968.44-12,555.56

Finding the Fourth Proportional to 23,166.16, 31,968.44 and 12,555.56

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Solution

The fourth proportional to 23,166.16, 31,968.44 and 12,555.56 is: 17,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,166.16 : 31,968.44 = 12,555.56 : x
  2. Step 2: Convert to fraction form
    23,166.16/31,968.44 = 12,555.56/x
  3. Step 3: Cross multiply
    23,166.16x = 31,968.44 × 12,555.56
  4. Step 4: Simplify right side
    23,166.16x = 401,381,666.53
  5. Step 5: Solve for x
    x = 401,381,666.53/23,166.16
  6. Step 6: Final answer
    x = 17,326.21

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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.