Home / 14,125.32-21,174.21-6,727.79

Finding the Fourth Proportional to 14,125.32, 21,174.21 and 6,727.79

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Solution

The fourth proportional to 14,125.32, 21,174.21 and 6,727.79 is: 10,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.32 : 21,174.21 = 6,727.79 : x
  2. Step 2: Convert to fraction form
    14,125.32/21,174.21 = 6,727.79/x
  3. Step 3: Cross multiply
    14,125.32x = 21,174.21 × 6,727.79
  4. Step 4: Simplify right side
    14,125.32x = 142,455,691.23
  5. Step 5: Solve for x
    x = 142,455,691.23/14,125.32
  6. Step 6: Final answer
    x = 10,085.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.