Home / 23,119.21-31,922.27-19,163.17

Finding the Fourth Proportional to 23,119.21, 31,922.27 and 19,163.17

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Solution

The fourth proportional to 23,119.21, 31,922.27 and 19,163.17 is: 26,459.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.21 : 31,922.27 = 19,163.17 : x
  2. Step 2: Convert to fraction form
    23,119.21/31,922.27 = 19,163.17/x
  3. Step 3: Cross multiply
    23,119.21x = 31,922.27 × 19,163.17
  4. Step 4: Simplify right side
    23,119.21x = 611,731,886.80
  5. Step 5: Solve for x
    x = 611,731,886.80/23,119.21
  6. Step 6: Final answer
    x = 26,459.90

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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.