Home / 13,190.65-19,747.70-10,260.07

Finding the Fourth Proportional to 13,190.65, 19,747.70 and 10,260.07

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Solution

The fourth proportional to 13,190.65, 19,747.70 and 10,260.07 is: 15,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.65 : 19,747.70 = 10,260.07 : x
  2. Step 2: Convert to fraction form
    13,190.65/19,747.70 = 10,260.07/x
  3. Step 3: Cross multiply
    13,190.65x = 19,747.70 × 10,260.07
  4. Step 4: Simplify right side
    13,190.65x = 202,612,722.14
  5. Step 5: Solve for x
    x = 202,612,722.14/13,190.65
  6. Step 6: Final answer
    x = 15,360.33

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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.