Home / 22,579.08-31,162.77-13,627.92

Finding the Fourth Proportional to 22,579.08, 31,162.77 and 13,627.92

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Solution

The fourth proportional to 22,579.08, 31,162.77 and 13,627.92 is: 18,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.08 : 31,162.77 = 13,627.92 : x
  2. Step 2: Convert to fraction form
    22,579.08/31,162.77 = 13,627.92/x
  3. Step 3: Cross multiply
    22,579.08x = 31,162.77 × 13,627.92
  4. Step 4: Simplify right side
    22,579.08x = 424,683,736.54
  5. Step 5: Solve for x
    x = 424,683,736.54/22,579.08
  6. Step 6: Final answer
    x = 18,808.73

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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.