Home / 14,110.19-19,474.08-8,143.91

Finding the Fourth Proportional to 14,110.19, 19,474.08 and 8,143.91

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Solution

The fourth proportional to 14,110.19, 19,474.08 and 8,143.91 is: 11,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.19 : 19,474.08 = 8,143.91 : x
  2. Step 2: Convert to fraction form
    14,110.19/19,474.08 = 8,143.91/x
  3. Step 3: Cross multiply
    14,110.19x = 19,474.08 × 8,143.91
  4. Step 4: Simplify right side
    14,110.19x = 158,595,154.85
  5. Step 5: Solve for x
    x = 158,595,154.85/14,110.19
  6. Step 6: Final answer
    x = 11,239.76

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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.