Home / 13,773.36-20,667.53-10,659.45

Finding the Fourth Proportional to 13,773.36, 20,667.53 and 10,659.45

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Solution

The fourth proportional to 13,773.36, 20,667.53 and 10,659.45 is: 15,994.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.36 : 20,667.53 = 10,659.45 : x
  2. Step 2: Convert to fraction form
    13,773.36/20,667.53 = 10,659.45/x
  3. Step 3: Cross multiply
    13,773.36x = 20,667.53 × 10,659.45
  4. Step 4: Simplify right side
    13,773.36x = 220,304,478.47
  5. Step 5: Solve for x
    x = 220,304,478.47/13,773.36
  6. Step 6: Final answer
    x = 15,994.97

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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.