Home / 22,858.92-31,551.48-13,433.76

Finding the Fourth Proportional to 22,858.92, 31,551.48 and 13,433.76

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Solution

The fourth proportional to 22,858.92, 31,551.48 and 13,433.76 is: 18,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.92 : 31,551.48 = 13,433.76 : x
  2. Step 2: Convert to fraction form
    22,858.92/31,551.48 = 13,433.76/x
  3. Step 3: Cross multiply
    22,858.92x = 31,551.48 × 13,433.76
  4. Step 4: Simplify right side
    22,858.92x = 423,855,009.96
  5. Step 5: Solve for x
    x = 423,855,009.96/22,858.92
  6. Step 6: Final answer
    x = 18,542.22

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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.