Home / 16,888.32-25,322.76-5,198.40

Finding the Fourth Proportional to 16,888.32, 25,322.76 and 5,198.40

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Solution

The fourth proportional to 16,888.32, 25,322.76 and 5,198.40 is: 7,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,888.32 : 25,322.76 = 5,198.40 : x
  2. Step 2: Convert to fraction form
    16,888.32/25,322.76 = 5,198.40/x
  3. Step 3: Cross multiply
    16,888.32x = 25,322.76 × 5,198.40
  4. Step 4: Simplify right side
    16,888.32x = 131,637,835.58
  5. Step 5: Solve for x
    x = 131,637,835.58/16,888.32
  6. Step 6: Final answer
    x = 7,794.61

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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.