Home / 14,123.16-21,190.82-6,727.66

Finding the Fourth Proportional to 14,123.16, 21,190.82 and 6,727.66

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Solution

The fourth proportional to 14,123.16, 21,190.82 and 6,727.66 is: 10,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.16 : 21,190.82 = 6,727.66 : x
  2. Step 2: Convert to fraction form
    14,123.16/21,190.82 = 6,727.66/x
  3. Step 3: Cross multiply
    14,123.16x = 21,190.82 × 6,727.66
  4. Step 4: Simplify right side
    14,123.16x = 142,564,545.47
  5. Step 5: Solve for x
    x = 142,564,545.47/14,123.16
  6. Step 6: Final answer
    x = 10,094.38

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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.