Home / 16,590.93-22,917.87-13,257.12

Finding the Fourth Proportional to 16,590.93, 22,917.87 and 13,257.12

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Solution

The fourth proportional to 16,590.93, 22,917.87 and 13,257.12 is: 18,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.93 : 22,917.87 = 13,257.12 : x
  2. Step 2: Convert to fraction form
    16,590.93/22,917.87 = 13,257.12/x
  3. Step 3: Cross multiply
    16,590.93x = 22,917.87 × 13,257.12
  4. Step 4: Simplify right side
    16,590.93x = 303,824,952.73
  5. Step 5: Solve for x
    x = 303,824,952.73/16,590.93
  6. Step 6: Final answer
    x = 18,312.71

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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.