Home / 22,801.08-31,465.62-13,369.80

Finding the Fourth Proportional to 22,801.08, 31,465.62 and 13,369.80

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Solution

The fourth proportional to 22,801.08, 31,465.62 and 13,369.80 is: 18,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.08 : 31,465.62 = 13,369.80 : x
  2. Step 2: Convert to fraction form
    22,801.08/31,465.62 = 13,369.80/x
  3. Step 3: Cross multiply
    22,801.08x = 31,465.62 × 13,369.80
  4. Step 4: Simplify right side
    22,801.08x = 420,689,046.28
  5. Step 5: Solve for x
    x = 420,689,046.28/22,801.08
  6. Step 6: Final answer
    x = 18,450.40

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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.