Home / 22,798.25-31,456.05-13,364.99

Finding the Fourth Proportional to 22,798.25, 31,456.05 and 13,364.99

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Solution

The fourth proportional to 22,798.25, 31,456.05 and 13,364.99 is: 18,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.25 : 31,456.05 = 13,364.99 : x
  2. Step 2: Convert to fraction form
    22,798.25/31,456.05 = 13,364.99/x
  3. Step 3: Cross multiply
    22,798.25x = 31,456.05 × 13,364.99
  4. Step 4: Simplify right side
    22,798.25x = 420,409,793.69
  5. Step 5: Solve for x
    x = 420,409,793.69/22,798.25
  6. Step 6: Final answer
    x = 18,440.44

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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.