Home / 19,994.04-27,586.98-12,919.32

Finding the Fourth Proportional to 19,994.04, 27,586.98 and 12,919.32

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Solution

The fourth proportional to 19,994.04, 27,586.98 and 12,919.32 is: 17,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.04 : 27,586.98 = 12,919.32 : x
  2. Step 2: Convert to fraction form
    19,994.04/27,586.98 = 12,919.32/x
  3. Step 3: Cross multiply
    19,994.04x = 27,586.98 × 12,919.32
  4. Step 4: Simplify right side
    19,994.04x = 356,405,022.45
  5. Step 5: Solve for x
    x = 356,405,022.45/19,994.04
  6. Step 6: Final answer
    x = 17,825.56

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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.