Home / 16,177.26-22,327.47-15,438.54

Finding the Fourth Proportional to 16,177.26, 22,327.47 and 15,438.54

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Solution

The fourth proportional to 16,177.26, 22,327.47 and 15,438.54 is: 21,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.26 : 22,327.47 = 15,438.54 : x
  2. Step 2: Convert to fraction form
    16,177.26/22,327.47 = 15,438.54/x
  3. Step 3: Cross multiply
    16,177.26x = 22,327.47 × 15,438.54
  4. Step 4: Simplify right side
    16,177.26x = 344,703,538.69
  5. Step 5: Solve for x
    x = 344,703,538.69/16,177.26
  6. Step 6: Final answer
    x = 21,307.91

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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.