Home / 23,038.20-34,528.80-11,938.48

Finding the Fourth Proportional to 23,038.20, 34,528.80 and 11,938.48

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Solution

The fourth proportional to 23,038.20, 34,528.80 and 11,938.48 is: 17,892.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,038.20 : 34,528.80 = 11,938.48 : x
  2. Step 2: Convert to fraction form
    23,038.20/34,528.80 = 11,938.48/x
  3. Step 3: Cross multiply
    23,038.20x = 34,528.80 × 11,938.48
  4. Step 4: Simplify right side
    23,038.20x = 412,221,388.22
  5. Step 5: Solve for x
    x = 412,221,388.22/23,038.20
  6. Step 6: Final answer
    x = 17,892.95

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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.