Home / 19,562.60-27,008.09-12,859.44

Finding the Fourth Proportional to 19,562.60, 27,008.09 and 12,859.44

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Solution

The fourth proportional to 19,562.60, 27,008.09 and 12,859.44 is: 17,753.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,562.60 : 27,008.09 = 12,859.44 : x
  2. Step 2: Convert to fraction form
    19,562.60/27,008.09 = 12,859.44/x
  3. Step 3: Cross multiply
    19,562.60x = 27,008.09 × 12,859.44
  4. Step 4: Simplify right side
    19,562.60x = 347,308,848.57
  5. Step 5: Solve for x
    x = 347,308,848.57/19,562.60
  6. Step 6: Final answer
    x = 17,753.72

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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.