Home / 15,994.80-23,993.28-10,143.36

Finding the Fourth Proportional to 15,994.80, 23,993.28 and 10,143.36

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Solution

The fourth proportional to 15,994.80, 23,993.28 and 10,143.36 is: 15,215.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.80 : 23,993.28 = 10,143.36 : x
  2. Step 2: Convert to fraction form
    15,994.80/23,993.28 = 10,143.36/x
  3. Step 3: Cross multiply
    15,994.80x = 23,993.28 × 10,143.36
  4. Step 4: Simplify right side
    15,994.80x = 243,372,476.62
  5. Step 5: Solve for x
    x = 243,372,476.62/15,994.80
  6. Step 6: Final answer
    x = 15,215.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.