Home / 22,558.26-31,100.57-18,510.26

Finding the Fourth Proportional to 22,558.26, 31,100.57 and 18,510.26

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Solution

The fourth proportional to 22,558.26, 31,100.57 and 18,510.26 is: 25,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.26 : 31,100.57 = 18,510.26 : x
  2. Step 2: Convert to fraction form
    22,558.26/31,100.57 = 18,510.26/x
  3. Step 3: Cross multiply
    22,558.26x = 31,100.57 × 18,510.26
  4. Step 4: Simplify right side
    22,558.26x = 575,679,636.85
  5. Step 5: Solve for x
    x = 575,679,636.85/22,558.26
  6. Step 6: Final answer
    x = 25,519.68

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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.