Home / 17,943.69-24,736.62-12,621.99

Finding the Fourth Proportional to 17,943.69, 24,736.62 and 12,621.99

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Solution

The fourth proportional to 17,943.69, 24,736.62 and 12,621.99 is: 17,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.69 : 24,736.62 = 12,621.99 : x
  2. Step 2: Convert to fraction form
    17,943.69/24,736.62 = 12,621.99/x
  3. Step 3: Cross multiply
    17,943.69x = 24,736.62 × 12,621.99
  4. Step 4: Simplify right side
    17,943.69x = 312,225,370.27
  5. Step 5: Solve for x
    x = 312,225,370.27/17,943.69
  6. Step 6: Final answer
    x = 17,400.29

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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.