Home / 20,039.76-27,653.22-11,541.42

Finding the Fourth Proportional to 20,039.76, 27,653.22 and 11,541.42

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Solution

The fourth proportional to 20,039.76, 27,653.22 and 11,541.42 is: 15,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.76 : 27,653.22 = 11,541.42 : x
  2. Step 2: Convert to fraction form
    20,039.76/27,653.22 = 11,541.42/x
  3. Step 3: Cross multiply
    20,039.76x = 27,653.22 × 11,541.42
  4. Step 4: Simplify right side
    20,039.76x = 319,157,426.37
  5. Step 5: Solve for x
    x = 319,157,426.37/20,039.76
  6. Step 6: Final answer
    x = 15,926.21

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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.