Home / 19,504.72-26,901.21-16,820.38

Finding the Fourth Proportional to 19,504.72, 26,901.21 and 16,820.38

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Solution

The fourth proportional to 19,504.72, 26,901.21 and 16,820.38 is: 23,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.72 : 26,901.21 = 16,820.38 : x
  2. Step 2: Convert to fraction form
    19,504.72/26,901.21 = 16,820.38/x
  3. Step 3: Cross multiply
    19,504.72x = 26,901.21 × 16,820.38
  4. Step 4: Simplify right side
    19,504.72x = 452,488,574.66
  5. Step 5: Solve for x
    x = 452,488,574.66/19,504.72
  6. Step 6: Final answer
    x = 23,198.93

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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.