Home / 22,583.90-31,166.88-13,631.24

Finding the Fourth Proportional to 22,583.90, 31,166.88 and 13,631.24

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Solution

The fourth proportional to 22,583.90, 31,166.88 and 13,631.24 is: 18,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.90 : 31,166.88 = 13,631.24 : x
  2. Step 2: Convert to fraction form
    22,583.90/31,166.88 = 13,631.24/x
  3. Step 3: Cross multiply
    22,583.90x = 31,166.88 × 13,631.24
  4. Step 4: Simplify right side
    22,583.90x = 424,843,221.33
  5. Step 5: Solve for x
    x = 424,843,221.33/22,583.90
  6. Step 6: Final answer
    x = 18,811.77

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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.