Home / 17,379.77-26,057.36-12,382.13

Finding the Fourth Proportional to 17,379.77, 26,057.36 and 12,382.13

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Solution

The fourth proportional to 17,379.77, 26,057.36 and 12,382.13 is: 18,564.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.77 : 26,057.36 = 12,382.13 : x
  2. Step 2: Convert to fraction form
    17,379.77/26,057.36 = 12,382.13/x
  3. Step 3: Cross multiply
    17,379.77x = 26,057.36 × 12,382.13
  4. Step 4: Simplify right side
    17,379.77x = 322,645,715.08
  5. Step 5: Solve for x
    x = 322,645,715.08/17,379.77
  6. Step 6: Final answer
    x = 18,564.45

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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.