Home / 14,724.77-20,327.71-11,360.03

Finding the Fourth Proportional to 14,724.77, 20,327.71 and 11,360.03

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Solution

The fourth proportional to 14,724.77, 20,327.71 and 11,360.03 is: 15,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.77 : 20,327.71 = 11,360.03 : x
  2. Step 2: Convert to fraction form
    14,724.77/20,327.71 = 11,360.03/x
  3. Step 3: Cross multiply
    14,724.77x = 20,327.71 × 11,360.03
  4. Step 4: Simplify right side
    14,724.77x = 230,923,395.43
  5. Step 5: Solve for x
    x = 230,923,395.43/14,724.77
  6. Step 6: Final answer
    x = 15,682.65

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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.