Home / 17,976.23-24,805.14-10,420.98

Finding the Fourth Proportional to 17,976.23, 24,805.14 and 10,420.98

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Solution

The fourth proportional to 17,976.23, 24,805.14 and 10,420.98 is: 14,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,976.23 : 24,805.14 = 10,420.98 : x
  2. Step 2: Convert to fraction form
    17,976.23/24,805.14 = 10,420.98/x
  3. Step 3: Cross multiply
    17,976.23x = 24,805.14 × 10,420.98
  4. Step 4: Simplify right side
    17,976.23x = 258,493,805.50
  5. Step 5: Solve for x
    x = 258,493,805.50/17,976.23
  6. Step 6: Final answer
    x = 14,379.76

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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.