Home / 16,427.40-22,669.78-8,873.74

Finding the Fourth Proportional to 16,427.40, 22,669.78 and 8,873.74

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Solution

The fourth proportional to 16,427.40, 22,669.78 and 8,873.74 is: 12,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.40 : 22,669.78 = 8,873.74 : x
  2. Step 2: Convert to fraction form
    16,427.40/22,669.78 = 8,873.74/x
  3. Step 3: Cross multiply
    16,427.40x = 22,669.78 × 8,873.74
  4. Step 4: Simplify right side
    16,427.40x = 201,165,733.58
  5. Step 5: Solve for x
    x = 201,165,733.58/16,427.40
  6. Step 6: Final answer
    x = 12,245.74

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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.