Home / 14,019.35-19,346.07-7,645.79

Finding the Fourth Proportional to 14,019.35, 19,346.07 and 7,645.79

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Solution

The fourth proportional to 14,019.35, 19,346.07 and 7,645.79 is: 10,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.35 : 19,346.07 = 7,645.79 : x
  2. Step 2: Convert to fraction form
    14,019.35/19,346.07 = 7,645.79/x
  3. Step 3: Cross multiply
    14,019.35x = 19,346.07 × 7,645.79
  4. Step 4: Simplify right side
    14,019.35x = 147,915,878.65
  5. Step 5: Solve for x
    x = 147,915,878.65/14,019.35
  6. Step 6: Final answer
    x = 10,550.83

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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.