Home / 19,950.60-29,925.90-5,161.01

Finding the Fourth Proportional to 19,950.60, 29,925.90 and 5,161.01

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Solution

The fourth proportional to 19,950.60, 29,925.90 and 5,161.01 is: 7,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.60 : 29,925.90 = 5,161.01 : x
  2. Step 2: Convert to fraction form
    19,950.60/29,925.90 = 5,161.01/x
  3. Step 3: Cross multiply
    19,950.60x = 29,925.90 × 5,161.01
  4. Step 4: Simplify right side
    19,950.60x = 154,447,843.35
  5. Step 5: Solve for x
    x = 154,447,843.35/19,950.60
  6. Step 6: Final answer
    x = 7,741.51

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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.