Home / 14,021.79-19,350.50-8,054.61

Finding the Fourth Proportional to 14,021.79, 19,350.50 and 8,054.61

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Solution

The fourth proportional to 14,021.79, 19,350.50 and 8,054.61 is: 11,115.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.79 : 19,350.50 = 8,054.61 : x
  2. Step 2: Convert to fraction form
    14,021.79/19,350.50 = 8,054.61/x
  3. Step 3: Cross multiply
    14,021.79x = 19,350.50 × 8,054.61
  4. Step 4: Simplify right side
    14,021.79x = 155,860,690.53
  5. Step 5: Solve for x
    x = 155,860,690.53/14,021.79
  6. Step 6: Final answer
    x = 11,115.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.