Home / 22,760.36-31,409.57-13,202.46

Finding the Fourth Proportional to 22,760.36, 31,409.57 and 13,202.46

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Solution

The fourth proportional to 22,760.36, 31,409.57 and 13,202.46 is: 18,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,760.36 : 31,409.57 = 13,202.46 : x
  2. Step 2: Convert to fraction form
    22,760.36/31,409.57 = 13,202.46/x
  3. Step 3: Cross multiply
    22,760.36x = 31,409.57 × 13,202.46
  4. Step 4: Simplify right side
    22,760.36x = 414,683,624.55
  5. Step 5: Solve for x
    x = 414,683,624.55/22,760.36
  6. Step 6: Final answer
    x = 18,219.56

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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.