Home / 19,941.70-29,902.74-11,623.81

Finding the Fourth Proportional to 19,941.70, 29,902.74 and 11,623.81

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Solution

The fourth proportional to 19,941.70, 29,902.74 and 11,623.81 is: 17,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.70 : 29,902.74 = 11,623.81 : x
  2. Step 2: Convert to fraction form
    19,941.70/29,902.74 = 11,623.81/x
  3. Step 3: Cross multiply
    19,941.70x = 29,902.74 × 11,623.81
  4. Step 4: Simplify right side
    19,941.70x = 347,583,768.24
  5. Step 5: Solve for x
    x = 347,583,768.24/19,941.70
  6. Step 6: Final answer
    x = 17,430.00

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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.