Home / 13,764.68-18,994.30-7,632.33

Finding the Fourth Proportional to 13,764.68, 18,994.30 and 7,632.33

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Solution

The fourth proportional to 13,764.68, 18,994.30 and 7,632.33 is: 10,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.68 : 18,994.30 = 7,632.33 : x
  2. Step 2: Convert to fraction form
    13,764.68/18,994.30 = 7,632.33/x
  3. Step 3: Cross multiply
    13,764.68x = 18,994.30 × 7,632.33
  4. Step 4: Simplify right side
    13,764.68x = 144,970,765.72
  5. Step 5: Solve for x
    x = 144,970,765.72/13,764.68
  6. Step 6: Final answer
    x = 10,532.08

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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.