Home / 24,778.16-34,224.36-18,518.48

Finding the Fourth Proportional to 24,778.16, 34,224.36 and 18,518.48

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Solution

The fourth proportional to 24,778.16, 34,224.36 and 18,518.48 is: 25,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,778.16 : 34,224.36 = 18,518.48 : x
  2. Step 2: Convert to fraction form
    24,778.16/34,224.36 = 18,518.48/x
  3. Step 3: Cross multiply
    24,778.16x = 34,224.36 × 18,518.48
  4. Step 4: Simplify right side
    24,778.16x = 633,783,126.17
  5. Step 5: Solve for x
    x = 633,783,126.17/24,778.16
  6. Step 6: Final answer
    x = 25,578.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.