Home / 17,420.10-26,112.33-7,551.06

Finding the Fourth Proportional to 17,420.10, 26,112.33 and 7,551.06

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Solution

The fourth proportional to 17,420.10, 26,112.33 and 7,551.06 is: 11,318.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.10 : 26,112.33 = 7,551.06 : x
  2. Step 2: Convert to fraction form
    17,420.10/26,112.33 = 7,551.06/x
  3. Step 3: Cross multiply
    17,420.10x = 26,112.33 × 7,551.06
  4. Step 4: Simplify right side
    17,420.10x = 197,175,770.57
  5. Step 5: Solve for x
    x = 197,175,770.57/17,420.10
  6. Step 6: Final answer
    x = 11,318.87

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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.