Home / 19,644.78-27,113.31-12,570.96

Finding the Fourth Proportional to 19,644.78, 27,113.31 and 12,570.96

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Solution

The fourth proportional to 19,644.78, 27,113.31 and 12,570.96 is: 17,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.78 : 27,113.31 = 12,570.96 : x
  2. Step 2: Convert to fraction form
    19,644.78/27,113.31 = 12,570.96/x
  3. Step 3: Cross multiply
    19,644.78x = 27,113.31 × 12,570.96
  4. Step 4: Simplify right side
    19,644.78x = 340,840,335.48
  5. Step 5: Solve for x
    x = 340,840,335.48/19,644.78
  6. Step 6: Final answer
    x = 17,350.17

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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.