Home / 14,083.71-19,440.37-8,117.76

Finding the Fourth Proportional to 14,083.71, 19,440.37 and 8,117.76

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Solution

The fourth proportional to 14,083.71, 19,440.37 and 8,117.76 is: 11,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.71 : 19,440.37 = 8,117.76 : x
  2. Step 2: Convert to fraction form
    14,083.71/19,440.37 = 8,117.76/x
  3. Step 3: Cross multiply
    14,083.71x = 19,440.37 × 8,117.76
  4. Step 4: Simplify right side
    14,083.71x = 157,812,257.97
  5. Step 5: Solve for x
    x = 157,812,257.97/14,083.71
  6. Step 6: Final answer
    x = 11,205.30

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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.