Home / 19,611.48-27,025.20-19,366.32

Finding the Fourth Proportional to 19,611.48, 27,025.20 and 19,366.32

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Solution

The fourth proportional to 19,611.48, 27,025.20 and 19,366.32 is: 26,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.48 : 27,025.20 = 19,366.32 : x
  2. Step 2: Convert to fraction form
    19,611.48/27,025.20 = 19,366.32/x
  3. Step 3: Cross multiply
    19,611.48x = 27,025.20 × 19,366.32
  4. Step 4: Simplify right side
    19,611.48x = 523,378,671.26
  5. Step 5: Solve for x
    x = 523,378,671.26/19,611.48
  6. Step 6: Final answer
    x = 26,687.36

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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.