Home / 27,185.31-40,770.57-7,459.20

Finding the Fourth Proportional to 27,185.31, 40,770.57 and 7,459.20

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Solution

The fourth proportional to 27,185.31, 40,770.57 and 7,459.20 is: 11,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.31 : 40,770.57 = 7,459.20 : x
  2. Step 2: Convert to fraction form
    27,185.31/40,770.57 = 7,459.20/x
  3. Step 3: Cross multiply
    27,185.31x = 40,770.57 × 7,459.20
  4. Step 4: Simplify right side
    27,185.31x = 304,115,835.74
  5. Step 5: Solve for x
    x = 304,115,835.74/27,185.31
  6. Step 6: Final answer
    x = 11,186.77

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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.