Home / 15,026.06-20,737.26-8,738

Finding the Fourth Proportional to 15,026.06, 20,737.26 and 8,738

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Solution

The fourth proportional to 15,026.06, 20,737.26 and 8,738 is: 12,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.06 : 20,737.26 = 8,738 : x
  2. Step 2: Convert to fraction form
    15,026.06/20,737.26 = 8,738/x
  3. Step 3: Cross multiply
    15,026.06x = 20,737.26 × 8,738
  4. Step 4: Simplify right side
    15,026.06x = 181,202,177.88
  5. Step 5: Solve for x
    x = 181,202,177.88/15,026.06
  6. Step 6: Final answer
    x = 12,059.19

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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.