Home / 19,995.12-27,584.55-12,032.82

Finding the Fourth Proportional to 19,995.12, 27,584.55 and 12,032.82

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Solution

The fourth proportional to 19,995.12, 27,584.55 and 12,032.82 is: 16,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.12 : 27,584.55 = 12,032.82 : x
  2. Step 2: Convert to fraction form
    19,995.12/27,584.55 = 12,032.82/x
  3. Step 3: Cross multiply
    19,995.12x = 27,584.55 × 12,032.82
  4. Step 4: Simplify right side
    19,995.12x = 331,919,924.93
  5. Step 5: Solve for x
    x = 331,919,924.93/19,995.12
  6. Step 6: Final answer
    x = 16,600.05

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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.