Home / 22,747.72-31,391.44-12,675.94

Finding the Fourth Proportional to 22,747.72, 31,391.44 and 12,675.94

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Solution

The fourth proportional to 22,747.72, 31,391.44 and 12,675.94 is: 17,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.72 : 31,391.44 = 12,675.94 : x
  2. Step 2: Convert to fraction form
    22,747.72/31,391.44 = 12,675.94/x
  3. Step 3: Cross multiply
    22,747.72x = 31,391.44 × 12,675.94
  4. Step 4: Simplify right side
    22,747.72x = 397,916,009.95
  5. Step 5: Solve for x
    x = 397,916,009.95/22,747.72
  6. Step 6: Final answer
    x = 17,492.57

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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.