Home / 26,342.44-39,507.80-7,618.40

Finding the Fourth Proportional to 26,342.44, 39,507.80 and 7,618.40

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Solution

The fourth proportional to 26,342.44, 39,507.80 and 7,618.40 is: 11,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.44 : 39,507.80 = 7,618.40 : x
  2. Step 2: Convert to fraction form
    26,342.44/39,507.80 = 7,618.40/x
  3. Step 3: Cross multiply
    26,342.44x = 39,507.80 × 7,618.40
  4. Step 4: Simplify right side
    26,342.44x = 300,986,223.52
  5. Step 5: Solve for x
    x = 300,986,223.52/26,342.44
  6. Step 6: Final answer
    x = 11,425.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.