Home / 13,181.11-19,749.78-9,277.31

Finding the Fourth Proportional to 13,181.11, 19,749.78 and 9,277.31

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Solution

The fourth proportional to 13,181.11, 19,749.78 and 9,277.31 is: 13,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.11 : 19,749.78 = 9,277.31 : x
  2. Step 2: Convert to fraction form
    13,181.11/19,749.78 = 9,277.31/x
  3. Step 3: Cross multiply
    13,181.11x = 19,749.78 × 9,277.31
  4. Step 4: Simplify right side
    13,181.11x = 183,224,831.49
  5. Step 5: Solve for x
    x = 183,224,831.49/13,181.11
  6. Step 6: Final answer
    x = 13,900.56

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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.