Home / 22,723.75-31,361.21-13,300.21

Finding the Fourth Proportional to 22,723.75, 31,361.21 and 13,300.21

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Solution

The fourth proportional to 22,723.75, 31,361.21 and 13,300.21 is: 18,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.75 : 31,361.21 = 13,300.21 : x
  2. Step 2: Convert to fraction form
    22,723.75/31,361.21 = 13,300.21/x
  3. Step 3: Cross multiply
    22,723.75x = 31,361.21 × 13,300.21
  4. Step 4: Simplify right side
    22,723.75x = 417,110,678.85
  5. Step 5: Solve for x
    x = 417,110,678.85/22,723.75
  6. Step 6: Final answer
    x = 18,355.72

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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.