Home / 14,057.94-19,411.13-8,688.18

Finding the Fourth Proportional to 14,057.94, 19,411.13 and 8,688.18

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Solution

The fourth proportional to 14,057.94, 19,411.13 and 8,688.18 is: 11,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.94 : 19,411.13 = 8,688.18 : x
  2. Step 2: Convert to fraction form
    14,057.94/19,411.13 = 8,688.18/x
  3. Step 3: Cross multiply
    14,057.94x = 19,411.13 × 8,688.18
  4. Step 4: Simplify right side
    14,057.94x = 168,647,391.44
  5. Step 5: Solve for x
    x = 168,647,391.44/14,057.94
  6. Step 6: Final answer
    x = 11,996.59

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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.