Home / 12,695.15-19,042.25-3,335.09

Finding the Fourth Proportional to 12,695.15, 19,042.25 and 3,335.09

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Solution

The fourth proportional to 12,695.15, 19,042.25 and 3,335.09 is: 5,002.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.15 : 19,042.25 = 3,335.09 : x
  2. Step 2: Convert to fraction form
    12,695.15/19,042.25 = 3,335.09/x
  3. Step 3: Cross multiply
    12,695.15x = 19,042.25 × 3,335.09
  4. Step 4: Simplify right side
    12,695.15x = 63,507,505.67
  5. Step 5: Solve for x
    x = 63,507,505.67/12,695.15
  6. Step 6: Final answer
    x = 5,002.50

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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.