Home / 16,801.50-25,206.02-5,115.64

Finding the Fourth Proportional to 16,801.50, 25,206.02 and 5,115.64

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Solution

The fourth proportional to 16,801.50, 25,206.02 and 5,115.64 is: 7,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,801.50 : 25,206.02 = 5,115.64 : x
  2. Step 2: Convert to fraction form
    16,801.50/25,206.02 = 5,115.64/x
  3. Step 3: Cross multiply
    16,801.50x = 25,206.02 × 5,115.64
  4. Step 4: Simplify right side
    16,801.50x = 128,944,924.15
  5. Step 5: Solve for x
    x = 128,944,924.15/16,801.50
  6. Step 6: Final answer
    x = 7,674.61

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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.