Home / 14,318.73-19,758.78-8,349.66

Finding the Fourth Proportional to 14,318.73, 19,758.78 and 8,349.66

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Solution

The fourth proportional to 14,318.73, 19,758.78 and 8,349.66 is: 11,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.73 : 19,758.78 = 8,349.66 : x
  2. Step 2: Convert to fraction form
    14,318.73/19,758.78 = 8,349.66/x
  3. Step 3: Cross multiply
    14,318.73x = 19,758.78 × 8,349.66
  4. Step 4: Simplify right side
    14,318.73x = 164,979,095.01
  5. Step 5: Solve for x
    x = 164,979,095.01/14,318.73
  6. Step 6: Final answer
    x = 11,521.91

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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.