Home / 22,935.96-31,635.36-16,119

Finding the Fourth Proportional to 22,935.96, 31,635.36 and 16,119

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Solution

The fourth proportional to 22,935.96, 31,635.36 and 16,119 is: 22,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.96 : 31,635.36 = 16,119 : x
  2. Step 2: Convert to fraction form
    22,935.96/31,635.36 = 16,119/x
  3. Step 3: Cross multiply
    22,935.96x = 31,635.36 × 16,119
  4. Step 4: Simplify right side
    22,935.96x = 509,930,367.84
  5. Step 5: Solve for x
    x = 509,930,367.84/22,935.96
  6. Step 6: Final answer
    x = 22,232.79

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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.