Home / 17,106.67-25,666.38-10,456.81

Finding the Fourth Proportional to 17,106.67, 25,666.38 and 10,456.81

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Solution

The fourth proportional to 17,106.67, 25,666.38 and 10,456.81 is: 15,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,106.67 : 25,666.38 = 10,456.81 : x
  2. Step 2: Convert to fraction form
    17,106.67/25,666.38 = 10,456.81/x
  3. Step 3: Cross multiply
    17,106.67x = 25,666.38 × 10,456.81
  4. Step 4: Simplify right side
    17,106.67x = 268,388,459.05
  5. Step 5: Solve for x
    x = 268,388,459.05/17,106.67
  6. Step 6: Final answer
    x = 15,689.11

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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.