Home / 19,936.17-27,512.06-11,438.67

Finding the Fourth Proportional to 19,936.17, 27,512.06 and 11,438.67

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Solution

The fourth proportional to 19,936.17, 27,512.06 and 11,438.67 is: 15,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.17 : 27,512.06 = 11,438.67 : x
  2. Step 2: Convert to fraction form
    19,936.17/27,512.06 = 11,438.67/x
  3. Step 3: Cross multiply
    19,936.17x = 27,512.06 × 11,438.67
  4. Step 4: Simplify right side
    19,936.17x = 314,701,318.17
  5. Step 5: Solve for x
    x = 314,701,318.17/19,936.17
  6. Step 6: Final answer
    x = 15,785.45

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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.