Home / 19,950.09-29,922.70-5,157.77

Finding the Fourth Proportional to 19,950.09, 29,922.70 and 5,157.77

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Solution

The fourth proportional to 19,950.09, 29,922.70 and 5,157.77 is: 7,736.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.09 : 29,922.70 = 5,157.77 : x
  2. Step 2: Convert to fraction form
    19,950.09/29,922.70 = 5,157.77/x
  3. Step 3: Cross multiply
    19,950.09x = 29,922.70 × 5,157.77
  4. Step 4: Simplify right side
    19,950.09x = 154,334,404.38
  5. Step 5: Solve for x
    x = 154,334,404.38/19,950.09
  6. Step 6: Final answer
    x = 7,736.03

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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.