Home / 22,760.12-31,410.96-13,203.56

Finding the Fourth Proportional to 22,760.12, 31,410.96 and 13,203.56

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Solution

The fourth proportional to 22,760.12, 31,410.96 and 13,203.56 is: 18,222.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,760.12 : 31,410.96 = 13,203.56 : x
  2. Step 2: Convert to fraction form
    22,760.12/31,410.96 = 13,203.56/x
  3. Step 3: Cross multiply
    22,760.12x = 31,410.96 × 13,203.56
  4. Step 4: Simplify right side
    22,760.12x = 414,736,495.02
  5. Step 5: Solve for x
    x = 414,736,495.02/22,760.12
  6. Step 6: Final answer
    x = 18,222.07

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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.