Home / 14,109.61-19,470.45-7,734.97

Finding the Fourth Proportional to 14,109.61, 19,470.45 and 7,734.97

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Solution

The fourth proportional to 14,109.61, 19,470.45 and 7,734.97 is: 10,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.61 : 19,470.45 = 7,734.97 : x
  2. Step 2: Convert to fraction form
    14,109.61/19,470.45 = 7,734.97/x
  3. Step 3: Cross multiply
    14,109.61x = 19,470.45 × 7,734.97
  4. Step 4: Simplify right side
    14,109.61x = 150,603,346.64
  5. Step 5: Solve for x
    x = 150,603,346.64/14,109.61
  6. Step 6: Final answer
    x = 10,673.81

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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.