Home / 19,573.09-29,359.51-4,782.09

Finding the Fourth Proportional to 19,573.09, 29,359.51 and 4,782.09

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Solution

The fourth proportional to 19,573.09, 29,359.51 and 4,782.09 is: 7,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.09 : 29,359.51 = 4,782.09 : x
  2. Step 2: Convert to fraction form
    19,573.09/29,359.51 = 4,782.09/x
  3. Step 3: Cross multiply
    19,573.09x = 29,359.51 × 4,782.09
  4. Step 4: Simplify right side
    19,573.09x = 140,399,819.18
  5. Step 5: Solve for x
    x = 140,399,819.18/19,573.09
  6. Step 6: Final answer
    x = 7,173.10

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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.