Home / 19,199.34-28,802.04-6,719.06

Finding the Fourth Proportional to 19,199.34, 28,802.04 and 6,719.06

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Solution

The fourth proportional to 19,199.34, 28,802.04 and 6,719.06 is: 10,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.34 : 28,802.04 = 6,719.06 : x
  2. Step 2: Convert to fraction form
    19,199.34/28,802.04 = 6,719.06/x
  3. Step 3: Cross multiply
    19,199.34x = 28,802.04 × 6,719.06
  4. Step 4: Simplify right side
    19,199.34x = 193,522,634.88
  5. Step 5: Solve for x
    x = 193,522,634.88/19,199.34
  6. Step 6: Final answer
    x = 10,079.65

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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.