Home / 20,053.92-27,657.63-15,029.94

Finding the Fourth Proportional to 20,053.92, 27,657.63 and 15,029.94

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Solution

The fourth proportional to 20,053.92, 27,657.63 and 15,029.94 is: 20,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,053.92 : 27,657.63 = 15,029.94 : x
  2. Step 2: Convert to fraction form
    20,053.92/27,657.63 = 15,029.94/x
  3. Step 3: Cross multiply
    20,053.92x = 27,657.63 × 15,029.94
  4. Step 4: Simplify right side
    20,053.92x = 415,692,519.44
  5. Step 5: Solve for x
    x = 415,692,519.44/20,053.92
  6. Step 6: Final answer
    x = 20,728.74

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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.