Home / 22,548.11-31,111.96-12,474.66

Finding the Fourth Proportional to 22,548.11, 31,111.96 and 12,474.66

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Solution

The fourth proportional to 22,548.11, 31,111.96 and 12,474.66 is: 17,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.11 : 31,111.96 = 12,474.66 : x
  2. Step 2: Convert to fraction form
    22,548.11/31,111.96 = 12,474.66/x
  3. Step 3: Cross multiply
    22,548.11x = 31,111.96 × 12,474.66
  4. Step 4: Simplify right side
    22,548.11x = 388,111,255.20
  5. Step 5: Solve for x
    x = 388,111,255.20/22,548.11
  6. Step 6: Final answer
    x = 17,212.59

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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.