Home / 20,583.96-28,410.28-11,631.84

Finding the Fourth Proportional to 20,583.96, 28,410.28 and 11,631.84

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Solution

The fourth proportional to 20,583.96, 28,410.28 and 11,631.84 is: 16,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.96 : 28,410.28 = 11,631.84 : x
  2. Step 2: Convert to fraction form
    20,583.96/28,410.28 = 11,631.84/x
  3. Step 3: Cross multiply
    20,583.96x = 28,410.28 × 11,631.84
  4. Step 4: Simplify right side
    20,583.96x = 330,463,831.32
  5. Step 5: Solve for x
    x = 330,463,831.32/20,583.96
  6. Step 6: Final answer
    x = 16,054.43

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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.