Home / 26,168.91-39,156.39-15,644.76

Finding the Fourth Proportional to 26,168.91, 39,156.39 and 15,644.76

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Solution

The fourth proportional to 26,168.91, 39,156.39 and 15,644.76 is: 23,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.91 : 39,156.39 = 15,644.76 : x
  2. Step 2: Convert to fraction form
    26,168.91/39,156.39 = 15,644.76/x
  3. Step 3: Cross multiply
    26,168.91x = 39,156.39 × 15,644.76
  4. Step 4: Simplify right side
    26,168.91x = 612,592,324.02
  5. Step 5: Solve for x
    x = 612,592,324.02/26,168.91
  6. Step 6: Final answer
    x = 23,409.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.