Home / 27,590.70-41,353.65-12,768.31

Finding the Fourth Proportional to 27,590.70, 41,353.65 and 12,768.31

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Solution

The fourth proportional to 27,590.70, 41,353.65 and 12,768.31 is: 19,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.70 : 41,353.65 = 12,768.31 : x
  2. Step 2: Convert to fraction form
    27,590.70/41,353.65 = 12,768.31/x
  3. Step 3: Cross multiply
    27,590.70x = 41,353.65 × 12,768.31
  4. Step 4: Simplify right side
    27,590.70x = 528,016,119.45
  5. Step 5: Solve for x
    x = 528,016,119.45/27,590.70
  6. Step 6: Final answer
    x = 19,137.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.