Home / 15,857.56-23,742.60-11,950.12

Finding the Fourth Proportional to 15,857.56, 23,742.60 and 11,950.12

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Solution

The fourth proportional to 15,857.56, 23,742.60 and 11,950.12 is: 17,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.56 : 23,742.60 = 11,950.12 : x
  2. Step 2: Convert to fraction form
    15,857.56/23,742.60 = 11,950.12/x
  3. Step 3: Cross multiply
    15,857.56x = 23,742.60 × 11,950.12
  4. Step 4: Simplify right side
    15,857.56x = 283,726,919.11
  5. Step 5: Solve for x
    x = 283,726,919.11/15,857.56
  6. Step 6: Final answer
    x = 17,892.22

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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.