Home / 22,618.22-31,212.93-12,546.68

Finding the Fourth Proportional to 22,618.22, 31,212.93 and 12,546.68

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Solution

The fourth proportional to 22,618.22, 31,212.93 and 12,546.68 is: 17,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.22 : 31,212.93 = 12,546.68 : x
  2. Step 2: Convert to fraction form
    22,618.22/31,212.93 = 12,546.68/x
  3. Step 3: Cross multiply
    22,618.22x = 31,212.93 × 12,546.68
  4. Step 4: Simplify right side
    22,618.22x = 391,618,488.51
  5. Step 5: Solve for x
    x = 391,618,488.51/22,618.22
  6. Step 6: Final answer
    x = 17,314.30

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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.