Home / 13,917.71-19,193.40-11,094.45

Finding the Fourth Proportional to 13,917.71, 19,193.40 and 11,094.45

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Solution

The fourth proportional to 13,917.71, 19,193.40 and 11,094.45 is: 15,299.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.71 : 19,193.40 = 11,094.45 : x
  2. Step 2: Convert to fraction form
    13,917.71/19,193.40 = 11,094.45/x
  3. Step 3: Cross multiply
    13,917.71x = 19,193.40 × 11,094.45
  4. Step 4: Simplify right side
    13,917.71x = 212,940,216.63
  5. Step 5: Solve for x
    x = 212,940,216.63/13,917.71
  6. Step 6: Final answer
    x = 15,299.95

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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.