Home / 14,169.12-19,553.58-7,881.66

Finding the Fourth Proportional to 14,169.12, 19,553.58 and 7,881.66

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Solution

The fourth proportional to 14,169.12, 19,553.58 and 7,881.66 is: 10,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.12 : 19,553.58 = 7,881.66 : x
  2. Step 2: Convert to fraction form
    14,169.12/19,553.58 = 7,881.66/x
  3. Step 3: Cross multiply
    14,169.12x = 19,553.58 × 7,881.66
  4. Step 4: Simplify right side
    14,169.12x = 154,114,669.34
  5. Step 5: Solve for x
    x = 154,114,669.34/14,169.12
  6. Step 6: Final answer
    x = 10,876.80

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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.