Home / 16,590.44-22,896.42-12,391.40

Finding the Fourth Proportional to 16,590.44, 22,896.42 and 12,391.40

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Solution

The fourth proportional to 16,590.44, 22,896.42 and 12,391.40 is: 17,101.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.44 : 22,896.42 = 12,391.40 : x
  2. Step 2: Convert to fraction form
    16,590.44/22,896.42 = 12,391.40/x
  3. Step 3: Cross multiply
    16,590.44x = 22,896.42 × 12,391.40
  4. Step 4: Simplify right side
    16,590.44x = 283,718,698.79
  5. Step 5: Solve for x
    x = 283,718,698.79/16,590.44
  6. Step 6: Final answer
    x = 17,101.34

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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.