Home / 22,945.92-31,661.52-13,516.34

Finding the Fourth Proportional to 22,945.92, 31,661.52 and 13,516.34

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Solution

The fourth proportional to 22,945.92, 31,661.52 and 13,516.34 is: 18,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.92 : 31,661.52 = 13,516.34 : x
  2. Step 2: Convert to fraction form
    22,945.92/31,661.52 = 13,516.34/x
  3. Step 3: Cross multiply
    22,945.92x = 31,661.52 × 13,516.34
  4. Step 4: Simplify right side
    22,945.92x = 427,947,869.24
  5. Step 5: Solve for x
    x = 427,947,869.24/22,945.92
  6. Step 6: Final answer
    x = 18,650.28

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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.