Home / 13,764.14-18,994.42-7,476.46

Finding the Fourth Proportional to 13,764.14, 18,994.42 and 7,476.46

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Solution

The fourth proportional to 13,764.14, 18,994.42 and 7,476.46 is: 10,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.14 : 18,994.42 = 7,476.46 : x
  2. Step 2: Convert to fraction form
    13,764.14/18,994.42 = 7,476.46/x
  3. Step 3: Cross multiply
    13,764.14x = 18,994.42 × 7,476.46
  4. Step 4: Simplify right side
    13,764.14x = 142,011,021.35
  5. Step 5: Solve for x
    x = 142,011,021.35/13,764.14
  6. Step 6: Final answer
    x = 10,317.46

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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.