Home / 20,238.93-27,931.84-11,738.52

Finding the Fourth Proportional to 20,238.93, 27,931.84 and 11,738.52

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Solution

The fourth proportional to 20,238.93, 27,931.84 and 11,738.52 is: 16,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.93 : 27,931.84 = 11,738.52 : x
  2. Step 2: Convert to fraction form
    20,238.93/27,931.84 = 11,738.52/x
  3. Step 3: Cross multiply
    20,238.93x = 27,931.84 × 11,738.52
  4. Step 4: Simplify right side
    20,238.93x = 327,878,433.13
  5. Step 5: Solve for x
    x = 327,878,433.13/20,238.93
  6. Step 6: Final answer
    x = 16,200.38

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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.