Home / 19,420.51-26,738.92-17,646.82

Finding the Fourth Proportional to 19,420.51, 26,738.92 and 17,646.82

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Solution

The fourth proportional to 19,420.51, 26,738.92 and 17,646.82 is: 24,296.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.51 : 26,738.92 = 17,646.82 : x
  2. Step 2: Convert to fraction form
    19,420.51/26,738.92 = 17,646.82/x
  3. Step 3: Cross multiply
    19,420.51x = 26,738.92 × 17,646.82
  4. Step 4: Simplify right side
    19,420.51x = 471,856,908.23
  5. Step 5: Solve for x
    x = 471,856,908.23/19,420.51
  6. Step 6: Final answer
    x = 24,296.83

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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.