Home / 19,937.36-29,917.80-7,285.98

Finding the Fourth Proportional to 19,937.36, 29,917.80 and 7,285.98

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Solution

The fourth proportional to 19,937.36, 29,917.80 and 7,285.98 is: 10,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.36 : 29,917.80 = 7,285.98 : x
  2. Step 2: Convert to fraction form
    19,937.36/29,917.80 = 7,285.98/x
  3. Step 3: Cross multiply
    19,937.36x = 29,917.80 × 7,285.98
  4. Step 4: Simplify right side
    19,937.36x = 217,980,492.44
  5. Step 5: Solve for x
    x = 217,980,492.44/19,937.36
  6. Step 6: Final answer
    x = 10,933.27

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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.