Home / 17,713.60-24,435.80-11,003.20

Finding the Fourth Proportional to 17,713.60, 24,435.80 and 11,003.20

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Solution

The fourth proportional to 17,713.60, 24,435.80 and 11,003.20 is: 15,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,713.60 : 24,435.80 = 11,003.20 : x
  2. Step 2: Convert to fraction form
    17,713.60/24,435.80 = 11,003.20/x
  3. Step 3: Cross multiply
    17,713.60x = 24,435.80 × 11,003.20
  4. Step 4: Simplify right side
    17,713.60x = 268,871,994.56
  5. Step 5: Solve for x
    x = 268,871,994.56/17,713.60
  6. Step 6: Final answer
    x = 15,178.85

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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.