Home / 19,634.08-29,423.60-15,231.20

Finding the Fourth Proportional to 19,634.08, 29,423.60 and 15,231.20

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Solution

The fourth proportional to 19,634.08, 29,423.60 and 15,231.20 is: 22,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.08 : 29,423.60 = 15,231.20 : x
  2. Step 2: Convert to fraction form
    19,634.08/29,423.60 = 15,231.20/x
  3. Step 3: Cross multiply
    19,634.08x = 29,423.60 × 15,231.20
  4. Step 4: Simplify right side
    19,634.08x = 448,156,736.32
  5. Step 5: Solve for x
    x = 448,156,736.32/19,634.08
  6. Step 6: Final answer
    x = 22,825.45

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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.