Home / 14,043.53-19,381.29-7,757.12

Finding the Fourth Proportional to 14,043.53, 19,381.29 and 7,757.12

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Solution

The fourth proportional to 14,043.53, 19,381.29 and 7,757.12 is: 10,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.53 : 19,381.29 = 7,757.12 : x
  2. Step 2: Convert to fraction form
    14,043.53/19,381.29 = 7,757.12/x
  3. Step 3: Cross multiply
    14,043.53x = 19,381.29 × 7,757.12
  4. Step 4: Simplify right side
    14,043.53x = 150,342,992.28
  5. Step 5: Solve for x
    x = 150,342,992.28/14,043.53
  6. Step 6: Final answer
    x = 10,705.50

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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.