Home / 19,003.34-28,498.80-7,907.04

Finding the Fourth Proportional to 19,003.34, 28,498.80 and 7,907.04

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Solution

The fourth proportional to 19,003.34, 28,498.80 and 7,907.04 is: 11,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.34 : 28,498.80 = 7,907.04 : x
  2. Step 2: Convert to fraction form
    19,003.34/28,498.80 = 7,907.04/x
  3. Step 3: Cross multiply
    19,003.34x = 28,498.80 × 7,907.04
  4. Step 4: Simplify right side
    19,003.34x = 225,341,151.55
  5. Step 5: Solve for x
    x = 225,341,151.55/19,003.34
  6. Step 6: Final answer
    x = 11,857.98

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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.