Home / 22,558.76-31,101.26-18,510.76

Finding the Fourth Proportional to 22,558.76, 31,101.26 and 18,510.76

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Solution

The fourth proportional to 22,558.76, 31,101.26 and 18,510.76 is: 25,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.76 : 31,101.26 = 18,510.76 : x
  2. Step 2: Convert to fraction form
    22,558.76/31,101.26 = 18,510.76/x
  3. Step 3: Cross multiply
    22,558.76x = 31,101.26 × 18,510.76
  4. Step 4: Simplify right side
    22,558.76x = 575,707,959.56
  5. Step 5: Solve for x
    x = 575,707,959.56/22,558.76
  6. Step 6: Final answer
    x = 25,520.37

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Half scale
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Double scale
Find fourth proportional to 22,559.76, 31,102.64 and 18,511.76
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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.