Home / 14,134.38-19,502.91-9,163.50

Finding the Fourth Proportional to 14,134.38, 19,502.91 and 9,163.50

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Solution

The fourth proportional to 14,134.38, 19,502.91 and 9,163.50 is: 12,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.38 : 19,502.91 = 9,163.50 : x
  2. Step 2: Convert to fraction form
    14,134.38/19,502.91 = 9,163.50/x
  3. Step 3: Cross multiply
    14,134.38x = 19,502.91 × 9,163.50
  4. Step 4: Simplify right side
    14,134.38x = 178,714,915.79
  5. Step 5: Solve for x
    x = 178,714,915.79/14,134.38
  6. Step 6: Final answer
    x = 12,643.99

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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.