Home / 22,262.36-30,742.88-14,318.38

Finding the Fourth Proportional to 22,262.36, 30,742.88 and 14,318.38

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Solution

The fourth proportional to 22,262.36, 30,742.88 and 14,318.38 is: 19,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.36 : 30,742.88 = 14,318.38 : x
  2. Step 2: Convert to fraction form
    22,262.36/30,742.88 = 14,318.38/x
  3. Step 3: Cross multiply
    22,262.36x = 30,742.88 × 14,318.38
  4. Step 4: Simplify right side
    22,262.36x = 440,188,089.69
  5. Step 5: Solve for x
    x = 440,188,089.69/22,262.36
  6. Step 6: Final answer
    x = 19,772.75

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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.