Home / 22,744.29-31,401.88-21,332.77

Finding the Fourth Proportional to 22,744.29, 31,401.88 and 21,332.77

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Solution

The fourth proportional to 22,744.29, 31,401.88 and 21,332.77 is: 29,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,744.29 : 31,401.88 = 21,332.77 : x
  2. Step 2: Convert to fraction form
    22,744.29/31,401.88 = 21,332.77/x
  3. Step 3: Cross multiply
    22,744.29x = 31,401.88 × 21,332.77
  4. Step 4: Simplify right side
    22,744.29x = 669,888,951.77
  5. Step 5: Solve for x
    x = 669,888,951.77/22,744.29
  6. Step 6: Final answer
    x = 29,453.06

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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.