Home / 15,383.12-23,070.83-4,289.36

Finding the Fourth Proportional to 15,383.12, 23,070.83 and 4,289.36

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Solution

The fourth proportional to 15,383.12, 23,070.83 and 4,289.36 is: 6,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383.12 : 23,070.83 = 4,289.36 : x
  2. Step 2: Convert to fraction form
    15,383.12/23,070.83 = 4,289.36/x
  3. Step 3: Cross multiply
    15,383.12x = 23,070.83 × 4,289.36
  4. Step 4: Simplify right side
    15,383.12x = 98,958,958.57
  5. Step 5: Solve for x
    x = 98,958,958.57/15,383.12
  6. Step 6: Final answer
    x = 6,432.96

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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.