Home / 19,922.68-29,902.45-10,068.86

Finding the Fourth Proportional to 19,922.68, 29,902.45 and 10,068.86

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Solution

The fourth proportional to 19,922.68, 29,902.45 and 10,068.86 is: 15,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.68 : 29,902.45 = 10,068.86 : x
  2. Step 2: Convert to fraction form
    19,922.68/29,902.45 = 10,068.86/x
  3. Step 3: Cross multiply
    19,922.68x = 29,902.45 × 10,068.86
  4. Step 4: Simplify right side
    19,922.68x = 301,083,582.71
  5. Step 5: Solve for x
    x = 301,083,582.71/19,922.68
  6. Step 6: Final answer
    x = 15,112.60

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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.