Home / 20,062.08-27,685.60-11,230.08

Finding the Fourth Proportional to 20,062.08, 27,685.60 and 11,230.08

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Solution

The fourth proportional to 20,062.08, 27,685.60 and 11,230.08 is: 15,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.08 : 27,685.60 = 11,230.08 : x
  2. Step 2: Convert to fraction form
    20,062.08/27,685.60 = 11,230.08/x
  3. Step 3: Cross multiply
    20,062.08x = 27,685.60 × 11,230.08
  4. Step 4: Simplify right side
    20,062.08x = 310,911,502.85
  5. Step 5: Solve for x
    x = 310,911,502.85/20,062.08
  6. Step 6: Final answer
    x = 15,497.47

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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.