Home / 19,100.88-28,617.40-16,299.12

Finding the Fourth Proportional to 19,100.88, 28,617.40 and 16,299.12

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Solution

The fourth proportional to 19,100.88, 28,617.40 and 16,299.12 is: 24,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.88 : 28,617.40 = 16,299.12 : x
  2. Step 2: Convert to fraction form
    19,100.88/28,617.40 = 16,299.12/x
  3. Step 3: Cross multiply
    19,100.88x = 28,617.40 × 16,299.12
  4. Step 4: Simplify right side
    19,100.88x = 466,438,436.69
  5. Step 5: Solve for x
    x = 466,438,436.69/19,100.88
  6. Step 6: Final answer
    x = 24,419.74

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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.