Home / 22,828.38-31,500.27-13,393.50

Finding the Fourth Proportional to 22,828.38, 31,500.27 and 13,393.50

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Solution

The fourth proportional to 22,828.38, 31,500.27 and 13,393.50 is: 18,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.38 : 31,500.27 = 13,393.50 : x
  2. Step 2: Convert to fraction form
    22,828.38/31,500.27 = 13,393.50/x
  3. Step 3: Cross multiply
    22,828.38x = 31,500.27 × 13,393.50
  4. Step 4: Simplify right side
    22,828.38x = 421,898,866.25
  5. Step 5: Solve for x
    x = 421,898,866.25/22,828.38
  6. Step 6: Final answer
    x = 18,481.33

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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.