Home / 24,878.90-34,321.80-16,809.98

Finding the Fourth Proportional to 24,878.90, 34,321.80 and 16,809.98

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Solution

The fourth proportional to 24,878.90, 34,321.80 and 16,809.98 is: 23,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,878.90 : 34,321.80 = 16,809.98 : x
  2. Step 2: Convert to fraction form
    24,878.90/34,321.80 = 16,809.98/x
  3. Step 3: Cross multiply
    24,878.90x = 34,321.80 × 16,809.98
  4. Step 4: Simplify right side
    24,878.90x = 576,948,771.56
  5. Step 5: Solve for x
    x = 576,948,771.56/24,878.90
  6. Step 6: Final answer
    x = 23,190.28

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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.