Home / 14,165.14-19,546.92-7,877.56

Finding the Fourth Proportional to 14,165.14, 19,546.92 and 7,877.56

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Solution

The fourth proportional to 14,165.14, 19,546.92 and 7,877.56 is: 10,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.14 : 19,546.92 = 7,877.56 : x
  2. Step 2: Convert to fraction form
    14,165.14/19,546.92 = 7,877.56/x
  3. Step 3: Cross multiply
    14,165.14x = 19,546.92 × 7,877.56
  4. Step 4: Simplify right side
    14,165.14x = 153,982,035.12
  5. Step 5: Solve for x
    x = 153,982,035.12/14,165.14
  6. Step 6: Final answer
    x = 10,870.49

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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.