Home / 22,833.36-31,505.76-13,398.48

Finding the Fourth Proportional to 22,833.36, 31,505.76 and 13,398.48

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Solution

The fourth proportional to 22,833.36, 31,505.76 and 13,398.48 is: 18,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,833.36 : 31,505.76 = 13,398.48 : x
  2. Step 2: Convert to fraction form
    22,833.36/31,505.76 = 13,398.48/x
  3. Step 3: Cross multiply
    22,833.36x = 31,505.76 × 13,398.48
  4. Step 4: Simplify right side
    22,833.36x = 422,129,295.24
  5. Step 5: Solve for x
    x = 422,129,295.24/22,833.36
  6. Step 6: Final answer
    x = 18,487.39

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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.