Home / 21,043.09-31,570.56-6,252.59

Finding the Fourth Proportional to 21,043.09, 31,570.56 and 6,252.59

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Solution

The fourth proportional to 21,043.09, 31,570.56 and 6,252.59 is: 9,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.09 : 31,570.56 = 6,252.59 : x
  2. Step 2: Convert to fraction form
    21,043.09/31,570.56 = 6,252.59/x
  3. Step 3: Cross multiply
    21,043.09x = 31,570.56 × 6,252.59
  4. Step 4: Simplify right side
    21,043.09x = 197,397,846.68
  5. Step 5: Solve for x
    x = 197,397,846.68/21,043.09
  6. Step 6: Final answer
    x = 9,380.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.