Home / 22,502.75-31,033.60-18,738.36

Finding the Fourth Proportional to 22,502.75, 31,033.60 and 18,738.36

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Solution

The fourth proportional to 22,502.75, 31,033.60 and 18,738.36 is: 25,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.75 : 31,033.60 = 18,738.36 : x
  2. Step 2: Convert to fraction form
    22,502.75/31,033.60 = 18,738.36/x
  3. Step 3: Cross multiply
    22,502.75x = 31,033.60 × 18,738.36
  4. Step 4: Simplify right side
    22,502.75x = 581,518,722.05
  5. Step 5: Solve for x
    x = 581,518,722.05/22,502.75
  6. Step 6: Final answer
    x = 25,842.12

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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.