Home / 29,815.98-41,146.80-16,387.57

Finding the Fourth Proportional to 29,815.98, 41,146.80 and 16,387.57

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Solution

The fourth proportional to 29,815.98, 41,146.80 and 16,387.57 is: 22,615.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.98 : 41,146.80 = 16,387.57 : x
  2. Step 2: Convert to fraction form
    29,815.98/41,146.80 = 16,387.57/x
  3. Step 3: Cross multiply
    29,815.98x = 41,146.80 × 16,387.57
  4. Step 4: Simplify right side
    29,815.98x = 674,296,065.28
  5. Step 5: Solve for x
    x = 674,296,065.28/29,815.98
  6. Step 6: Final answer
    x = 22,615.26

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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.