Home / 23,015.24-31,741.36-15,856.58

Finding the Fourth Proportional to 23,015.24, 31,741.36 and 15,856.58

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Solution

The fourth proportional to 23,015.24, 31,741.36 and 15,856.58 is: 21,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.24 : 31,741.36 = 15,856.58 : x
  2. Step 2: Convert to fraction form
    23,015.24/31,741.36 = 15,856.58/x
  3. Step 3: Cross multiply
    23,015.24x = 31,741.36 × 15,856.58
  4. Step 4: Simplify right side
    23,015.24x = 503,309,414.15
  5. Step 5: Solve for x
    x = 503,309,414.15/23,015.24
  6. Step 6: Final answer
    x = 21,868.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.