Home / 16,578.93-22,889.91-12,743.75

Finding the Fourth Proportional to 16,578.93, 22,889.91 and 12,743.75

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Solution

The fourth proportional to 16,578.93, 22,889.91 and 12,743.75 is: 17,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.93 : 22,889.91 = 12,743.75 : x
  2. Step 2: Convert to fraction form
    16,578.93/22,889.91 = 12,743.75/x
  3. Step 3: Cross multiply
    16,578.93x = 22,889.91 × 12,743.75
  4. Step 4: Simplify right side
    16,578.93x = 291,703,176.11
  5. Step 5: Solve for x
    x = 291,703,176.11/16,578.93
  6. Step 6: Final answer
    x = 17,594.81

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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.