Home / 14,129.01-19,496.70-8,463.66

Finding the Fourth Proportional to 14,129.01, 19,496.70 and 8,463.66

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Solution

The fourth proportional to 14,129.01, 19,496.70 and 8,463.66 is: 11,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.01 : 19,496.70 = 8,463.66 : x
  2. Step 2: Convert to fraction form
    14,129.01/19,496.70 = 8,463.66/x
  3. Step 3: Cross multiply
    14,129.01x = 19,496.70 × 8,463.66
  4. Step 4: Simplify right side
    14,129.01x = 165,013,439.92
  5. Step 5: Solve for x
    x = 165,013,439.92/14,129.01
  6. Step 6: Final answer
    x = 11,679.05

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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.