Home / 19,807.26-27,336.15-12,637.37

Finding the Fourth Proportional to 19,807.26, 27,336.15 and 12,637.37

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Solution

The fourth proportional to 19,807.26, 27,336.15 and 12,637.37 is: 17,440.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.26 : 27,336.15 = 12,637.37 : x
  2. Step 2: Convert to fraction form
    19,807.26/27,336.15 = 12,637.37/x
  3. Step 3: Cross multiply
    19,807.26x = 27,336.15 × 12,637.37
  4. Step 4: Simplify right side
    19,807.26x = 345,456,905.24
  5. Step 5: Solve for x
    x = 345,456,905.24/19,807.26
  6. Step 6: Final answer
    x = 17,440.92

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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.