Home / 19,529.42-29,290.93-5,490.41

Finding the Fourth Proportional to 19,529.42, 29,290.93 and 5,490.41

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Solution

The fourth proportional to 19,529.42, 29,290.93 and 5,490.41 is: 8,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.42 : 29,290.93 = 5,490.41 : x
  2. Step 2: Convert to fraction form
    19,529.42/29,290.93 = 5,490.41/x
  3. Step 3: Cross multiply
    19,529.42x = 29,290.93 × 5,490.41
  4. Step 4: Simplify right side
    19,529.42x = 160,819,054.80
  5. Step 5: Solve for x
    x = 160,819,054.80/19,529.42
  6. Step 6: Final answer
    x = 8,234.71

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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.