Home / 22,747.37-31,389.13-12,675.43

Finding the Fourth Proportional to 22,747.37, 31,389.13 and 12,675.43

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Solution

The fourth proportional to 22,747.37, 31,389.13 and 12,675.43 is: 17,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.37 : 31,389.13 = 12,675.43 : x
  2. Step 2: Convert to fraction form
    22,747.37/31,389.13 = 12,675.43/x
  3. Step 3: Cross multiply
    22,747.37x = 31,389.13 × 12,675.43
  4. Step 4: Simplify right side
    22,747.37x = 397,870,720.08
  5. Step 5: Solve for x
    x = 397,870,720.08/22,747.37
  6. Step 6: Final answer
    x = 17,490.84

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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.