Home / 19,309.38-26,654.76-16,340.64

Finding the Fourth Proportional to 19,309.38, 26,654.76 and 16,340.64

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Solution

The fourth proportional to 19,309.38, 26,654.76 and 16,340.64 is: 22,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.38 : 26,654.76 = 16,340.64 : x
  2. Step 2: Convert to fraction form
    19,309.38/26,654.76 = 16,340.64/x
  3. Step 3: Cross multiply
    19,309.38x = 26,654.76 × 16,340.64
  4. Step 4: Simplify right side
    19,309.38x = 435,555,837.45
  5. Step 5: Solve for x
    x = 435,555,837.45/19,309.38
  6. Step 6: Final answer
    x = 22,556.70

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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.