Home / 22,542.46-31,110.93-12,982.69

Finding the Fourth Proportional to 22,542.46, 31,110.93 and 12,982.69

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Solution

The fourth proportional to 22,542.46, 31,110.93 and 12,982.69 is: 17,917.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.46 : 31,110.93 = 12,982.69 : x
  2. Step 2: Convert to fraction form
    22,542.46/31,110.93 = 12,982.69/x
  3. Step 3: Cross multiply
    22,542.46x = 31,110.93 × 12,982.69
  4. Step 4: Simplify right side
    22,542.46x = 403,903,423.69
  5. Step 5: Solve for x
    x = 403,903,423.69/22,542.46
  6. Step 6: Final answer
    x = 17,917.45

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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.