Home / 19,950.72-29,913.60-7,464.16

Finding the Fourth Proportional to 19,950.72, 29,913.60 and 7,464.16

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Solution

The fourth proportional to 19,950.72, 29,913.60 and 7,464.16 is: 11,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.72 : 29,913.60 = 7,464.16 : x
  2. Step 2: Convert to fraction form
    19,950.72/29,913.60 = 7,464.16/x
  3. Step 3: Cross multiply
    19,950.72x = 29,913.60 × 7,464.16
  4. Step 4: Simplify right side
    19,950.72x = 223,279,896.58
  5. Step 5: Solve for x
    x = 223,279,896.58/19,950.72
  6. Step 6: Final answer
    x = 11,191.57

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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.