Home / 19,223.12-26,512.98-12,146.96

Finding the Fourth Proportional to 19,223.12, 26,512.98 and 12,146.96

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Solution

The fourth proportional to 19,223.12, 26,512.98 and 12,146.96 is: 16,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.12 : 26,512.98 = 12,146.96 : x
  2. Step 2: Convert to fraction form
    19,223.12/26,512.98 = 12,146.96/x
  3. Step 3: Cross multiply
    19,223.12x = 26,512.98 × 12,146.96
  4. Step 4: Simplify right side
    19,223.12x = 322,052,107.54
  5. Step 5: Solve for x
    x = 322,052,107.54/19,223.12
  6. Step 6: Final answer
    x = 16,753.37

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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.