Home / 13,047.38-19,546.47-10,111.34

Finding the Fourth Proportional to 13,047.38, 19,546.47 and 10,111.34

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Solution

The fourth proportional to 13,047.38, 19,546.47 and 10,111.34 is: 15,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.38 : 19,546.47 = 10,111.34 : x
  2. Step 2: Convert to fraction form
    13,047.38/19,546.47 = 10,111.34/x
  3. Step 3: Cross multiply
    13,047.38x = 19,546.47 × 10,111.34
  4. Step 4: Simplify right side
    13,047.38x = 197,640,855.68
  5. Step 5: Solve for x
    x = 197,640,855.68/13,047.38
  6. Step 6: Final answer
    x = 15,147.93

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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.