Home / 19,994.24-27,588.30-11,499.32

Finding the Fourth Proportional to 19,994.24, 27,588.30 and 11,499.32

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Solution

The fourth proportional to 19,994.24, 27,588.30 and 11,499.32 is: 15,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.24 : 27,588.30 = 11,499.32 : x
  2. Step 2: Convert to fraction form
    19,994.24/27,588.30 = 11,499.32/x
  3. Step 3: Cross multiply
    19,994.24x = 27,588.30 × 11,499.32
  4. Step 4: Simplify right side
    19,994.24x = 317,246,689.96
  5. Step 5: Solve for x
    x = 317,246,689.96/19,994.24
  6. Step 6: Final answer
    x = 15,866.90

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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.