Home / 17,147.14-23,664.76-10,778.54

Finding the Fourth Proportional to 17,147.14, 23,664.76 and 10,778.54

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Solution

The fourth proportional to 17,147.14, 23,664.76 and 10,778.54 is: 14,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.14 : 23,664.76 = 10,778.54 : x
  2. Step 2: Convert to fraction form
    17,147.14/23,664.76 = 10,778.54/x
  3. Step 3: Cross multiply
    17,147.14x = 23,664.76 × 10,778.54
  4. Step 4: Simplify right side
    17,147.14x = 255,071,562.25
  5. Step 5: Solve for x
    x = 255,071,562.25/17,147.14
  6. Step 6: Final answer
    x = 14,875.46

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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.