Home / 22,744.55-31,389.79-12,674.63

Finding the Fourth Proportional to 22,744.55, 31,389.79 and 12,674.63

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Solution

The fourth proportional to 22,744.55, 31,389.79 and 12,674.63 is: 17,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.55 : 31,389.79 = 12,674.63 : x
  2. Step 2: Convert to fraction form
    22,744.55/31,389.79 = 12,674.63/x
  3. Step 3: Cross multiply
    22,744.55x = 31,389.79 × 12,674.63
  4. Step 4: Simplify right side
    22,744.55x = 397,853,974.03
  5. Step 5: Solve for x
    x = 397,853,974.03/22,744.55
  6. Step 6: Final answer
    x = 17,492.28

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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.