Home / 14,113.46-19,476.72-8,143.97

Finding the Fourth Proportional to 14,113.46, 19,476.72 and 8,143.97

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Solution

The fourth proportional to 14,113.46, 19,476.72 and 8,143.97 is: 11,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.46 : 19,476.72 = 8,143.97 : x
  2. Step 2: Convert to fraction form
    14,113.46/19,476.72 = 8,143.97/x
  3. Step 3: Cross multiply
    14,113.46x = 19,476.72 × 8,143.97
  4. Step 4: Simplify right side
    14,113.46x = 158,617,725.99
  5. Step 5: Solve for x
    x = 158,617,725.99/14,113.46
  6. Step 6: Final answer
    x = 11,238.75

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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.