Home / 26,040.89-39,065.49-9,405.05

Finding the Fourth Proportional to 26,040.89, 39,065.49 and 9,405.05

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Solution

The fourth proportional to 26,040.89, 39,065.49 and 9,405.05 is: 14,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.89 : 39,065.49 = 9,405.05 : x
  2. Step 2: Convert to fraction form
    26,040.89/39,065.49 = 9,405.05/x
  3. Step 3: Cross multiply
    26,040.89x = 39,065.49 × 9,405.05
  4. Step 4: Simplify right side
    26,040.89x = 367,412,691.40
  5. Step 5: Solve for x
    x = 367,412,691.40/26,040.89
  6. Step 6: Final answer
    x = 14,109.07

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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.