Home / 19,646.94-27,106.08-11,148.12

Finding the Fourth Proportional to 19,646.94, 27,106.08 and 11,148.12

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Solution

The fourth proportional to 19,646.94, 27,106.08 and 11,148.12 is: 15,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.94 : 27,106.08 = 11,148.12 : x
  2. Step 2: Convert to fraction form
    19,646.94/27,106.08 = 11,148.12/x
  3. Step 3: Cross multiply
    19,646.94x = 27,106.08 × 11,148.12
  4. Step 4: Simplify right side
    19,646.94x = 302,181,832.57
  5. Step 5: Solve for x
    x = 302,181,832.57/19,646.94
  6. Step 6: Final answer
    x = 15,380.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.