Home / 19,950.40-27,528.96-11,452.89

Finding the Fourth Proportional to 19,950.40, 27,528.96 and 11,452.89

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Solution

The fourth proportional to 19,950.40, 27,528.96 and 11,452.89 is: 15,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.40 : 27,528.96 = 11,452.89 : x
  2. Step 2: Convert to fraction form
    19,950.40/27,528.96 = 11,452.89/x
  3. Step 3: Cross multiply
    19,950.40x = 27,528.96 × 11,452.89
  4. Step 4: Simplify right side
    19,950.40x = 315,286,296.88
  5. Step 5: Solve for x
    x = 315,286,296.88/19,950.40
  6. Step 6: Final answer
    x = 15,803.51

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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.