Home / 26,443.26-36,458.51-19,357.38

Finding the Fourth Proportional to 26,443.26, 36,458.51 and 19,357.38

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Solution

The fourth proportional to 26,443.26, 36,458.51 and 19,357.38 is: 26,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.26 : 36,458.51 = 19,357.38 : x
  2. Step 2: Convert to fraction form
    26,443.26/36,458.51 = 19,357.38/x
  3. Step 3: Cross multiply
    26,443.26x = 36,458.51 × 19,357.38
  4. Step 4: Simplify right side
    26,443.26x = 705,741,135.52
  5. Step 5: Solve for x
    x = 705,741,135.52/26,443.26
  6. Step 6: Final answer
    x = 26,688.89

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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.