Home / 27,980.46-41,970.84-10,450.14

Finding the Fourth Proportional to 27,980.46, 41,970.84 and 10,450.14

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Solution

The fourth proportional to 27,980.46, 41,970.84 and 10,450.14 is: 15,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.46 : 41,970.84 = 10,450.14 : x
  2. Step 2: Convert to fraction form
    27,980.46/41,970.84 = 10,450.14/x
  3. Step 3: Cross multiply
    27,980.46x = 41,970.84 × 10,450.14
  4. Step 4: Simplify right side
    27,980.46x = 438,601,153.92
  5. Step 5: Solve for x
    x = 438,601,153.92/27,980.46
  6. Step 6: Final answer
    x = 15,675.27

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Double scale
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Similar ratio
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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.