Home / 16,528.21-22,808.85-8,974.48

Finding the Fourth Proportional to 16,528.21, 22,808.85 and 8,974.48

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Solution

The fourth proportional to 16,528.21, 22,808.85 and 8,974.48 is: 12,384.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.21 : 22,808.85 = 8,974.48 : x
  2. Step 2: Convert to fraction form
    16,528.21/22,808.85 = 8,974.48/x
  3. Step 3: Cross multiply
    16,528.21x = 22,808.85 × 8,974.48
  4. Step 4: Simplify right side
    16,528.21x = 204,697,568.15
  5. Step 5: Solve for x
    x = 204,697,568.15/16,528.21
  6. Step 6: Final answer
    x = 12,384.74

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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.