Home / 17,110.80-25,655.10-7,247.40

Finding the Fourth Proportional to 17,110.80, 25,655.10 and 7,247.40

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Solution

The fourth proportional to 17,110.80, 25,655.10 and 7,247.40 is: 10,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.80 : 25,655.10 = 7,247.40 : x
  2. Step 2: Convert to fraction form
    17,110.80/25,655.10 = 7,247.40/x
  3. Step 3: Cross multiply
    17,110.80x = 25,655.10 × 7,247.40
  4. Step 4: Simplify right side
    17,110.80x = 185,932,771.74
  5. Step 5: Solve for x
    x = 185,932,771.74/17,110.80
  6. Step 6: Final answer
    x = 10,866.40

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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.