Home / 19,936.36-29,910.69-7,457.65

Finding the Fourth Proportional to 19,936.36, 29,910.69 and 7,457.65

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Solution

The fourth proportional to 19,936.36, 29,910.69 and 7,457.65 is: 11,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.36 : 29,910.69 = 7,457.65 : x
  2. Step 2: Convert to fraction form
    19,936.36/29,910.69 = 7,457.65/x
  3. Step 3: Cross multiply
    19,936.36x = 29,910.69 × 7,457.65
  4. Step 4: Simplify right side
    19,936.36x = 223,063,382.50
  5. Step 5: Solve for x
    x = 223,063,382.50/19,936.36
  6. Step 6: Final answer
    x = 11,188.77

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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.