Home / 19,374.99-29,062.32-12,830.46

Finding the Fourth Proportional to 19,374.99, 29,062.32 and 12,830.46

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Solution

The fourth proportional to 19,374.99, 29,062.32 and 12,830.46 is: 19,245.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.99 : 29,062.32 = 12,830.46 : x
  2. Step 2: Convert to fraction form
    19,374.99/29,062.32 = 12,830.46/x
  3. Step 3: Cross multiply
    19,374.99x = 29,062.32 × 12,830.46
  4. Step 4: Simplify right side
    19,374.99x = 372,882,788.96
  5. Step 5: Solve for x
    x = 372,882,788.96/19,374.99
  6. Step 6: Final answer
    x = 19,245.58

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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.