Home / 19,232.42-28,851.68-7,385.72

Finding the Fourth Proportional to 19,232.42, 28,851.68 and 7,385.72

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Solution

The fourth proportional to 19,232.42, 28,851.68 and 7,385.72 is: 11,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.42 : 28,851.68 = 7,385.72 : x
  2. Step 2: Convert to fraction form
    19,232.42/28,851.68 = 7,385.72/x
  3. Step 3: Cross multiply
    19,232.42x = 28,851.68 × 7,385.72
  4. Step 4: Simplify right side
    19,232.42x = 213,090,304.22
  5. Step 5: Solve for x
    x = 213,090,304.22/19,232.42
  6. Step 6: Final answer
    x = 11,079.75

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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.