Home / 14,016.33-19,342.68-7,728.93

Finding the Fourth Proportional to 14,016.33, 19,342.68 and 7,728.93

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Solution

The fourth proportional to 14,016.33, 19,342.68 and 7,728.93 is: 10,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.33 : 19,342.68 = 7,728.93 : x
  2. Step 2: Convert to fraction form
    14,016.33/19,342.68 = 7,728.93/x
  3. Step 3: Cross multiply
    14,016.33x = 19,342.68 × 7,728.93
  4. Step 4: Simplify right side
    14,016.33x = 149,498,219.73
  5. Step 5: Solve for x
    x = 149,498,219.73/14,016.33
  6. Step 6: Final answer
    x = 10,666.00

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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.