Home / 14,872.57-20,528.09-9,204.01

Finding the Fourth Proportional to 14,872.57, 20,528.09 and 9,204.01

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Solution

The fourth proportional to 14,872.57, 20,528.09 and 9,204.01 is: 12,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.57 : 20,528.09 = 9,204.01 : x
  2. Step 2: Convert to fraction form
    14,872.57/20,528.09 = 9,204.01/x
  3. Step 3: Cross multiply
    14,872.57x = 20,528.09 × 9,204.01
  4. Step 4: Simplify right side
    14,872.57x = 188,940,745.64
  5. Step 5: Solve for x
    x = 188,940,745.64/14,872.57
  6. Step 6: Final answer
    x = 12,703.97

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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.