Home / 14,231.74-19,637.99-7,944.38

Finding the Fourth Proportional to 14,231.74, 19,637.99 and 7,944.38

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Solution

The fourth proportional to 14,231.74, 19,637.99 and 7,944.38 is: 10,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.74 : 19,637.99 = 7,944.38 : x
  2. Step 2: Convert to fraction form
    14,231.74/19,637.99 = 7,944.38/x
  3. Step 3: Cross multiply
    14,231.74x = 19,637.99 × 7,944.38
  4. Step 4: Simplify right side
    14,231.74x = 156,011,655.00
  5. Step 5: Solve for x
    x = 156,011,655.00/14,231.74
  6. Step 6: Final answer
    x = 10,962.23

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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.