Home / 14,265.87-19,687.48-7,892.35

Finding the Fourth Proportional to 14,265.87, 19,687.48 and 7,892.35

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Solution

The fourth proportional to 14,265.87, 19,687.48 and 7,892.35 is: 10,891.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.87 : 19,687.48 = 7,892.35 : x
  2. Step 2: Convert to fraction form
    14,265.87/19,687.48 = 7,892.35/x
  3. Step 3: Cross multiply
    14,265.87x = 19,687.48 × 7,892.35
  4. Step 4: Simplify right side
    14,265.87x = 155,380,568.96
  5. Step 5: Solve for x
    x = 155,380,568.96/14,265.87
  6. Step 6: Final answer
    x = 10,891.77

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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.