Home / 20,529.52-30,717.38-14,620.06

Finding the Fourth Proportional to 20,529.52, 30,717.38 and 14,620.06

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Solution

The fourth proportional to 20,529.52, 30,717.38 and 14,620.06 is: 21,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.52 : 30,717.38 = 14,620.06 : x
  2. Step 2: Convert to fraction form
    20,529.52/30,717.38 = 14,620.06/x
  3. Step 3: Cross multiply
    20,529.52x = 30,717.38 × 14,620.06
  4. Step 4: Simplify right side
    20,529.52x = 449,089,931.35
  5. Step 5: Solve for x
    x = 449,089,931.35/20,529.52
  6. Step 6: Final answer
    x = 21,875.33

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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.