Home / 22,792.96-31,455.36-12,855.04

Finding the Fourth Proportional to 22,792.96, 31,455.36 and 12,855.04

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Solution

The fourth proportional to 22,792.96, 31,455.36 and 12,855.04 is: 17,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,792.96 : 31,455.36 = 12,855.04 : x
  2. Step 2: Convert to fraction form
    22,792.96/31,455.36 = 12,855.04/x
  3. Step 3: Cross multiply
    22,792.96x = 31,455.36 × 12,855.04
  4. Step 4: Simplify right side
    22,792.96x = 404,359,911.01
  5. Step 5: Solve for x
    x = 404,359,911.01/22,792.96
  6. Step 6: Final answer
    x = 17,740.56

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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.