Home / 20,337.74-30,515.88-12,034.02

Finding the Fourth Proportional to 20,337.74, 30,515.88 and 12,034.02

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Solution

The fourth proportional to 20,337.74, 30,515.88 and 12,034.02 is: 18,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337.74 : 30,515.88 = 12,034.02 : x
  2. Step 2: Convert to fraction form
    20,337.74/30,515.88 = 12,034.02/x
  3. Step 3: Cross multiply
    20,337.74x = 30,515.88 × 12,034.02
  4. Step 4: Simplify right side
    20,337.74x = 367,228,710.24
  5. Step 5: Solve for x
    x = 367,228,710.24/20,337.74
  6. Step 6: Final answer
    x = 18,056.52

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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.