Home / 22,544.48-31,111.85-13,590.09

Finding the Fourth Proportional to 22,544.48, 31,111.85 and 13,590.09

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Solution

The fourth proportional to 22,544.48, 31,111.85 and 13,590.09 is: 18,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,544.48 : 31,111.85 = 13,590.09 : x
  2. Step 2: Convert to fraction form
    22,544.48/31,111.85 = 13,590.09/x
  3. Step 3: Cross multiply
    22,544.48x = 31,111.85 × 13,590.09
  4. Step 4: Simplify right side
    22,544.48x = 422,812,841.57
  5. Step 5: Solve for x
    x = 422,812,841.57/22,544.48
  6. Step 6: Final answer
    x = 18,754.61

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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.