Home / 14,169.66-19,553.35-7,881.63

Finding the Fourth Proportional to 14,169.66, 19,553.35 and 7,881.63

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Solution

The fourth proportional to 14,169.66, 19,553.35 and 7,881.63 is: 10,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.66 : 19,553.35 = 7,881.63 : x
  2. Step 2: Convert to fraction form
    14,169.66/19,553.35 = 7,881.63/x
  3. Step 3: Cross multiply
    14,169.66x = 19,553.35 × 7,881.63
  4. Step 4: Simplify right side
    14,169.66x = 154,112,269.96
  5. Step 5: Solve for x
    x = 154,112,269.96/14,169.66
  6. Step 6: Final answer
    x = 10,876.22

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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.