Home / 14,994.96-20,679.66-9,684.18

Finding the Fourth Proportional to 14,994.96, 20,679.66 and 9,684.18

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Solution

The fourth proportional to 14,994.96, 20,679.66 and 9,684.18 is: 13,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.96 : 20,679.66 = 9,684.18 : x
  2. Step 2: Convert to fraction form
    14,994.96/20,679.66 = 9,684.18/x
  3. Step 3: Cross multiply
    14,994.96x = 20,679.66 × 9,684.18
  4. Step 4: Simplify right side
    14,994.96x = 200,265,549.78
  5. Step 5: Solve for x
    x = 200,265,549.78/14,994.96
  6. Step 6: Final answer
    x = 13,355.52

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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.