Home / 22,518.74-31,074.21-12,446.61

Finding the Fourth Proportional to 22,518.74, 31,074.21 and 12,446.61

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Solution

The fourth proportional to 22,518.74, 31,074.21 and 12,446.61 is: 17,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.74 : 31,074.21 = 12,446.61 : x
  2. Step 2: Convert to fraction form
    22,518.74/31,074.21 = 12,446.61/x
  3. Step 3: Cross multiply
    22,518.74x = 31,074.21 × 12,446.61
  4. Step 4: Simplify right side
    22,518.74x = 386,768,572.93
  5. Step 5: Solve for x
    x = 386,768,572.93/22,518.74
  6. Step 6: Final answer
    x = 17,175.41

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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.