Home / 14,353.07-21,524.33-4,990.55

Finding the Fourth Proportional to 14,353.07, 21,524.33 and 4,990.55

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Solution

The fourth proportional to 14,353.07, 21,524.33 and 4,990.55 is: 7,483.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.07 : 21,524.33 = 4,990.55 : x
  2. Step 2: Convert to fraction form
    14,353.07/21,524.33 = 4,990.55/x
  3. Step 3: Cross multiply
    14,353.07x = 21,524.33 × 4,990.55
  4. Step 4: Simplify right side
    14,353.07x = 107,418,149.94
  5. Step 5: Solve for x
    x = 107,418,149.94/14,353.07
  6. Step 6: Final answer
    x = 7,483.99

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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.