Home / 14,258.36-21,388.95-5,371.44

Finding the Fourth Proportional to 14,258.36, 21,388.95 and 5,371.44

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Solution

The fourth proportional to 14,258.36, 21,388.95 and 5,371.44 is: 8,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.36 : 21,388.95 = 5,371.44 : x
  2. Step 2: Convert to fraction form
    14,258.36/21,388.95 = 5,371.44/x
  3. Step 3: Cross multiply
    14,258.36x = 21,388.95 × 5,371.44
  4. Step 4: Simplify right side
    14,258.36x = 114,889,461.59
  5. Step 5: Solve for x
    x = 114,889,461.59/14,258.36
  6. Step 6: Final answer
    x = 8,057.69

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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.