Home / 19,522.88-26,944.80-13,231.04

Finding the Fourth Proportional to 19,522.88, 26,944.80 and 13,231.04

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Solution

The fourth proportional to 19,522.88, 26,944.80 and 13,231.04 is: 18,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,522.88 : 26,944.80 = 13,231.04 : x
  2. Step 2: Convert to fraction form
    19,522.88/26,944.80 = 13,231.04/x
  3. Step 3: Cross multiply
    19,522.88x = 26,944.80 × 13,231.04
  4. Step 4: Simplify right side
    19,522.88x = 356,507,726.59
  5. Step 5: Solve for x
    x = 356,507,726.59/19,522.88
  6. Step 6: Final answer
    x = 18,261.02

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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.