Home / 22,776.05-31,433.69-13,344.62

Finding the Fourth Proportional to 22,776.05, 31,433.69 and 13,344.62

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Solution

The fourth proportional to 22,776.05, 31,433.69 and 13,344.62 is: 18,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.05 : 31,433.69 = 13,344.62 : x
  2. Step 2: Convert to fraction form
    22,776.05/31,433.69 = 13,344.62/x
  3. Step 3: Cross multiply
    22,776.05x = 31,433.69 × 13,344.62
  4. Step 4: Simplify right side
    22,776.05x = 419,470,524.44
  5. Step 5: Solve for x
    x = 419,470,524.44/22,776.05
  6. Step 6: Final answer
    x = 18,417.17

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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.