Home / 22,578.83-31,159.91-13,626.18

Finding the Fourth Proportional to 22,578.83, 31,159.91 and 13,626.18

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Solution

The fourth proportional to 22,578.83, 31,159.91 and 13,626.18 is: 18,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.83 : 31,159.91 = 13,626.18 : x
  2. Step 2: Convert to fraction form
    22,578.83/31,159.91 = 13,626.18/x
  3. Step 3: Cross multiply
    22,578.83x = 31,159.91 × 13,626.18
  4. Step 4: Simplify right side
    22,578.83x = 424,590,542.44
  5. Step 5: Solve for x
    x = 424,590,542.44/22,578.83
  6. Step 6: Final answer
    x = 18,804.81

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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.