Home / 17,219.05-23,761.76-9,665.19

Finding the Fourth Proportional to 17,219.05, 23,761.76 and 9,665.19

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Solution

The fourth proportional to 17,219.05, 23,761.76 and 9,665.19 is: 13,337.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219.05 : 23,761.76 = 9,665.19 : x
  2. Step 2: Convert to fraction form
    17,219.05/23,761.76 = 9,665.19/x
  3. Step 3: Cross multiply
    17,219.05x = 23,761.76 × 9,665.19
  4. Step 4: Simplify right side
    17,219.05x = 229,661,876.81
  5. Step 5: Solve for x
    x = 229,661,876.81/17,219.05
  6. Step 6: Final answer
    x = 13,337.66

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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.