Home / 15,617.07-23,420.70-5,226.39

Finding the Fourth Proportional to 15,617.07, 23,420.70 and 5,226.39

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Solution

The fourth proportional to 15,617.07, 23,420.70 and 5,226.39 is: 7,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.07 : 23,420.70 = 5,226.39 : x
  2. Step 2: Convert to fraction form
    15,617.07/23,420.70 = 5,226.39/x
  3. Step 3: Cross multiply
    15,617.07x = 23,420.70 × 5,226.39
  4. Step 4: Simplify right side
    15,617.07x = 122,405,712.27
  5. Step 5: Solve for x
    x = 122,405,712.27/15,617.07
  6. Step 6: Final answer
    x = 7,837.94

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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.