Home / 19,383.36-29,071.26-5,339.76

Finding the Fourth Proportional to 19,383.36, 29,071.26 and 5,339.76

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Solution

The fourth proportional to 19,383.36, 29,071.26 and 5,339.76 is: 8,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.36 : 29,071.26 = 5,339.76 : x
  2. Step 2: Convert to fraction form
    19,383.36/29,071.26 = 5,339.76/x
  3. Step 3: Cross multiply
    19,383.36x = 29,071.26 × 5,339.76
  4. Step 4: Simplify right side
    19,383.36x = 155,233,551.30
  5. Step 5: Solve for x
    x = 155,233,551.30/19,383.36
  6. Step 6: Final answer
    x = 8,008.60

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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.