Home / 36,288.14-54,430.79-9,992.16

Finding the Fourth Proportional to 36,288.14, 54,430.79 and 9,992.16

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Solution

The fourth proportional to 36,288.14, 54,430.79 and 9,992.16 is: 14,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.14 : 54,430.79 = 9,992.16 : x
  2. Step 2: Convert to fraction form
    36,288.14/54,430.79 = 9,992.16/x
  3. Step 3: Cross multiply
    36,288.14x = 54,430.79 × 9,992.16
  4. Step 4: Simplify right side
    36,288.14x = 543,881,112.65
  5. Step 5: Solve for x
    x = 543,881,112.65/36,288.14
  6. Step 6: Final answer
    x = 14,987.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.