Home / 19,632.46-27,101.64-12,921.61

Finding the Fourth Proportional to 19,632.46, 27,101.64 and 12,921.61

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Solution

The fourth proportional to 19,632.46, 27,101.64 and 12,921.61 is: 17,837.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.46 : 27,101.64 = 12,921.61 : x
  2. Step 2: Convert to fraction form
    19,632.46/27,101.64 = 12,921.61/x
  3. Step 3: Cross multiply
    19,632.46x = 27,101.64 × 12,921.61
  4. Step 4: Simplify right side
    19,632.46x = 350,196,822.44
  5. Step 5: Solve for x
    x = 350,196,822.44/19,632.46
  6. Step 6: Final answer
    x = 17,837.64

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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.