Home / 14,040.82-19,376.43-7,753.20

Finding the Fourth Proportional to 14,040.82, 19,376.43 and 7,753.20

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Solution

The fourth proportional to 14,040.82, 19,376.43 and 7,753.20 is: 10,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.82 : 19,376.43 = 7,753.20 : x
  2. Step 2: Convert to fraction form
    14,040.82/19,376.43 = 7,753.20/x
  3. Step 3: Cross multiply
    14,040.82x = 19,376.43 × 7,753.20
  4. Step 4: Simplify right side
    14,040.82x = 150,229,337.08
  5. Step 5: Solve for x
    x = 150,229,337.08/14,040.82
  6. Step 6: Final answer
    x = 10,699.47

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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.