Home / 23,472.45-32,400.81-15,525.54

Finding the Fourth Proportional to 23,472.45, 32,400.81 and 15,525.54

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Solution

The fourth proportional to 23,472.45, 32,400.81 and 15,525.54 is: 21,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,472.45 : 32,400.81 = 15,525.54 : x
  2. Step 2: Convert to fraction form
    23,472.45/32,400.81 = 15,525.54/x
  3. Step 3: Cross multiply
    23,472.45x = 32,400.81 × 15,525.54
  4. Step 4: Simplify right side
    23,472.45x = 503,040,071.69
  5. Step 5: Solve for x
    x = 503,040,071.69/23,472.45
  6. Step 6: Final answer
    x = 21,431.09

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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.