Home / 19,980.24-27,542.52-16,437.24

Finding the Fourth Proportional to 19,980.24, 27,542.52 and 16,437.24

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Solution

The fourth proportional to 19,980.24, 27,542.52 and 16,437.24 is: 22,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980.24 : 27,542.52 = 16,437.24 : x
  2. Step 2: Convert to fraction form
    19,980.24/27,542.52 = 16,437.24/x
  3. Step 3: Cross multiply
    19,980.24x = 27,542.52 × 16,437.24
  4. Step 4: Simplify right side
    19,980.24x = 452,723,011.44
  5. Step 5: Solve for x
    x = 452,723,011.44/19,980.24
  6. Step 6: Final answer
    x = 22,658.54

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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.