Home / 14,399.10-19,874.53-8,734.12

Finding the Fourth Proportional to 14,399.10, 19,874.53 and 8,734.12

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Solution

The fourth proportional to 14,399.10, 19,874.53 and 8,734.12 is: 12,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.10 : 19,874.53 = 8,734.12 : x
  2. Step 2: Convert to fraction form
    14,399.10/19,874.53 = 8,734.12/x
  3. Step 3: Cross multiply
    14,399.10x = 19,874.53 × 8,734.12
  4. Step 4: Simplify right side
    14,399.10x = 173,586,529.96
  5. Step 5: Solve for x
    x = 173,586,529.96/14,399.10
  6. Step 6: Final answer
    x = 12,055.37

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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.