Home / 22,816.55-31,487.55-13,255.67

Finding the Fourth Proportional to 22,816.55, 31,487.55 and 13,255.67

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Solution

The fourth proportional to 22,816.55, 31,487.55 and 13,255.67 is: 18,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.55 : 31,487.55 = 13,255.67 : x
  2. Step 2: Convert to fraction form
    22,816.55/31,487.55 = 13,255.67/x
  3. Step 3: Cross multiply
    22,816.55x = 31,487.55 × 13,255.67
  4. Step 4: Simplify right side
    22,816.55x = 417,388,571.91
  5. Step 5: Solve for x
    x = 417,388,571.91/22,816.55
  6. Step 6: Final answer
    x = 18,293.24

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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.