Home / 19,859.68-29,789.51-5,068.60

Finding the Fourth Proportional to 19,859.68, 29,789.51 and 5,068.60

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Solution

The fourth proportional to 19,859.68, 29,789.51 and 5,068.60 is: 7,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.68 : 29,789.51 = 5,068.60 : x
  2. Step 2: Convert to fraction form
    19,859.68/29,789.51 = 5,068.60/x
  3. Step 3: Cross multiply
    19,859.68x = 29,789.51 × 5,068.60
  4. Step 4: Simplify right side
    19,859.68x = 150,991,085.04
  5. Step 5: Solve for x
    x = 150,991,085.04/19,859.68
  6. Step 6: Final answer
    x = 7,602.90

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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.