Home / 26,125.07-39,184.56-7,406.78

Finding the Fourth Proportional to 26,125.07, 39,184.56 and 7,406.78

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Solution

The fourth proportional to 26,125.07, 39,184.56 and 7,406.78 is: 11,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.07 : 39,184.56 = 7,406.78 : x
  2. Step 2: Convert to fraction form
    26,125.07/39,184.56 = 7,406.78/x
  3. Step 3: Cross multiply
    26,125.07x = 39,184.56 × 7,406.78
  4. Step 4: Simplify right side
    26,125.07x = 290,231,219.39
  5. Step 5: Solve for x
    x = 290,231,219.39/26,125.07
  6. Step 6: Final answer
    x = 11,109.30

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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.