Home / 17,631.89-26,447.55-7,101.66

Finding the Fourth Proportional to 17,631.89, 26,447.55 and 7,101.66

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Solution

The fourth proportional to 17,631.89, 26,447.55 and 7,101.66 is: 10,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,631.89 : 26,447.55 = 7,101.66 : x
  2. Step 2: Convert to fraction form
    17,631.89/26,447.55 = 7,101.66/x
  3. Step 3: Cross multiply
    17,631.89x = 26,447.55 × 7,101.66
  4. Step 4: Simplify right side
    17,631.89x = 187,821,431.71
  5. Step 5: Solve for x
    x = 187,821,431.71/17,631.89
  6. Step 6: Final answer
    x = 10,652.37

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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.