Home / 26,040.03-39,062.70-7,320.12

Finding the Fourth Proportional to 26,040.03, 39,062.70 and 7,320.12

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Solution

The fourth proportional to 26,040.03, 39,062.70 and 7,320.12 is: 10,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,040.03 : 39,062.70 = 7,320.12 : x
  2. Step 2: Convert to fraction form
    26,040.03/39,062.70 = 7,320.12/x
  3. Step 3: Cross multiply
    26,040.03x = 39,062.70 × 7,320.12
  4. Step 4: Simplify right side
    26,040.03x = 285,943,651.52
  5. Step 5: Solve for x
    x = 285,943,651.52/26,040.03
  6. Step 6: Final answer
    x = 10,980.93

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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.