Home / 19,186.57-28,776.36-8,101.05

Finding the Fourth Proportional to 19,186.57, 28,776.36 and 8,101.05

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Solution

The fourth proportional to 19,186.57, 28,776.36 and 8,101.05 is: 12,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.57 : 28,776.36 = 8,101.05 : x
  2. Step 2: Convert to fraction form
    19,186.57/28,776.36 = 8,101.05/x
  3. Step 3: Cross multiply
    19,186.57x = 28,776.36 × 8,101.05
  4. Step 4: Simplify right side
    19,186.57x = 233,118,653.65
  5. Step 5: Solve for x
    x = 233,118,653.65/19,186.57
  6. Step 6: Final answer
    x = 12,150.09

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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.