Home / 22,272.16-33,330.88-13,835.20

Finding the Fourth Proportional to 22,272.16, 33,330.88 and 13,835.20

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Solution

The fourth proportional to 22,272.16, 33,330.88 and 13,835.20 is: 20,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.16 : 33,330.88 = 13,835.20 : x
  2. Step 2: Convert to fraction form
    22,272.16/33,330.88 = 13,835.20/x
  3. Step 3: Cross multiply
    22,272.16x = 33,330.88 × 13,835.20
  4. Step 4: Simplify right side
    22,272.16x = 461,139,390.98
  5. Step 5: Solve for x
    x = 461,139,390.98/22,272.16
  6. Step 6: Final answer
    x = 20,704.74

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1.5x scale

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.