Home / 17,125.32-25,641.83-11,187.51

Finding the Fourth Proportional to 17,125.32, 25,641.83 and 11,187.51

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Solution

The fourth proportional to 17,125.32, 25,641.83 and 11,187.51 is: 16,751.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.32 : 25,641.83 = 11,187.51 : x
  2. Step 2: Convert to fraction form
    17,125.32/25,641.83 = 11,187.51/x
  3. Step 3: Cross multiply
    17,125.32x = 25,641.83 × 11,187.51
  4. Step 4: Simplify right side
    17,125.32x = 286,868,173.61
  5. Step 5: Solve for x
    x = 286,868,173.61/17,125.32
  6. Step 6: Final answer
    x = 16,751.11

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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.