Home / 22,305.09-30,775.59-12,873.63

Finding the Fourth Proportional to 22,305.09, 30,775.59 and 12,873.63

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Solution

The fourth proportional to 22,305.09, 30,775.59 and 12,873.63 is: 17,762.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.09 : 30,775.59 = 12,873.63 : x
  2. Step 2: Convert to fraction form
    22,305.09/30,775.59 = 12,873.63/x
  3. Step 3: Cross multiply
    22,305.09x = 30,775.59 × 12,873.63
  4. Step 4: Simplify right side
    22,305.09x = 396,193,558.69
  5. Step 5: Solve for x
    x = 396,193,558.69/22,305.09
  6. Step 6: Final answer
    x = 17,762.47

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Double scale
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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.