Home / 14,089.88-21,132.46-4,728.85

Finding the Fourth Proportional to 14,089.88, 21,132.46 and 4,728.85

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Solution

The fourth proportional to 14,089.88, 21,132.46 and 4,728.85 is: 7,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.88 : 21,132.46 = 4,728.85 : x
  2. Step 2: Convert to fraction form
    14,089.88/21,132.46 = 4,728.85/x
  3. Step 3: Cross multiply
    14,089.88x = 21,132.46 × 4,728.85
  4. Step 4: Simplify right side
    14,089.88x = 99,932,186.55
  5. Step 5: Solve for x
    x = 99,932,186.55/14,089.88
  6. Step 6: Final answer
    x = 7,092.48

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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.