Home / 19,924.11-27,505.85-15,437.79

Finding the Fourth Proportional to 19,924.11, 27,505.85 and 15,437.79

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Solution

The fourth proportional to 19,924.11, 27,505.85 and 15,437.79 is: 21,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.11 : 27,505.85 = 15,437.79 : x
  2. Step 2: Convert to fraction form
    19,924.11/27,505.85 = 15,437.79/x
  3. Step 3: Cross multiply
    19,924.11x = 27,505.85 × 15,437.79
  4. Step 4: Simplify right side
    19,924.11x = 424,629,458.88
  5. Step 5: Solve for x
    x = 424,629,458.88/19,924.11
  6. Step 6: Final answer
    x = 21,312.34

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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.