Home / 16,815.36-25,182.72-16,711.68

Finding the Fourth Proportional to 16,815.36, 25,182.72 and 16,711.68

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Solution

The fourth proportional to 16,815.36, 25,182.72 and 16,711.68 is: 25,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.36 : 25,182.72 = 16,711.68 : x
  2. Step 2: Convert to fraction form
    16,815.36/25,182.72 = 16,711.68/x
  3. Step 3: Cross multiply
    16,815.36x = 25,182.72 × 16,711.68
  4. Step 4: Simplify right side
    16,815.36x = 420,845,558.17
  5. Step 5: Solve for x
    x = 420,845,558.17/16,815.36
  6. Step 6: Final answer
    x = 25,027.45

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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.