Home / 14,054.47-19,394.99-7,766.71

Finding the Fourth Proportional to 14,054.47, 19,394.99 and 7,766.71

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Solution

The fourth proportional to 14,054.47, 19,394.99 and 7,766.71 is: 10,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.47 : 19,394.99 = 7,766.71 : x
  2. Step 2: Convert to fraction form
    14,054.47/19,394.99 = 7,766.71/x
  3. Step 3: Cross multiply
    14,054.47x = 19,394.99 × 7,766.71
  4. Step 4: Simplify right side
    14,054.47x = 150,635,262.78
  5. Step 5: Solve for x
    x = 150,635,262.78/14,054.47
  6. Step 6: Final answer
    x = 10,717.96

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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.