Home / 23,156.24-31,943.96-15,197.36

Finding the Fourth Proportional to 23,156.24, 31,943.96 and 15,197.36

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Solution

The fourth proportional to 23,156.24, 31,943.96 and 15,197.36 is: 20,964.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.24 : 31,943.96 = 15,197.36 : x
  2. Step 2: Convert to fraction form
    23,156.24/31,943.96 = 15,197.36/x
  3. Step 3: Cross multiply
    23,156.24x = 31,943.96 × 15,197.36
  4. Step 4: Simplify right side
    23,156.24x = 485,463,859.95
  5. Step 5: Solve for x
    x = 485,463,859.95/23,156.24
  6. Step 6: Final answer
    x = 20,964.71

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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.