Home / 29,698.86-40,983.48-16,269.78

Finding the Fourth Proportional to 29,698.86, 40,983.48 and 16,269.78

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Solution

The fourth proportional to 29,698.86, 40,983.48 and 16,269.78 is: 22,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,698.86 : 40,983.48 = 16,269.78 : x
  2. Step 2: Convert to fraction form
    29,698.86/40,983.48 = 16,269.78/x
  3. Step 3: Cross multiply
    29,698.86x = 40,983.48 × 16,269.78
  4. Step 4: Simplify right side
    29,698.86x = 666,792,203.23
  5. Step 5: Solve for x
    x = 666,792,203.23/29,698.86
  6. Step 6: Final answer
    x = 22,451.78

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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.