Home / 22,798.80-31,450.68-13,365.72

Finding the Fourth Proportional to 22,798.80, 31,450.68 and 13,365.72

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Solution

The fourth proportional to 22,798.80, 31,450.68 and 13,365.72 is: 18,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.80 : 31,450.68 = 13,365.72 : x
  2. Step 2: Convert to fraction form
    22,798.80/31,450.68 = 13,365.72/x
  3. Step 3: Cross multiply
    22,798.80x = 31,450.68 × 13,365.72
  4. Step 4: Simplify right side
    22,798.80x = 420,360,982.69
  5. Step 5: Solve for x
    x = 420,360,982.69/22,798.80
  6. Step 6: Final answer
    x = 18,437.86

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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.