Home / 17,424.45-26,140.94-5,578.25

Finding the Fourth Proportional to 17,424.45, 26,140.94 and 5,578.25

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Solution

The fourth proportional to 17,424.45, 26,140.94 and 5,578.25 is: 8,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,424.45 : 26,140.94 = 5,578.25 : x
  2. Step 2: Convert to fraction form
    17,424.45/26,140.94 = 5,578.25/x
  3. Step 3: Cross multiply
    17,424.45x = 26,140.94 × 5,578.25
  4. Step 4: Simplify right side
    17,424.45x = 145,820,739.30
  5. Step 5: Solve for x
    x = 145,820,739.30/17,424.45
  6. Step 6: Final answer
    x = 8,368.74

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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.