Home / 19,409.56-29,114.58-5,558.56

Finding the Fourth Proportional to 19,409.56, 29,114.58 and 5,558.56

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Solution

The fourth proportional to 19,409.56, 29,114.58 and 5,558.56 is: 8,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.56 : 29,114.58 = 5,558.56 : x
  2. Step 2: Convert to fraction form
    19,409.56/29,114.58 = 5,558.56/x
  3. Step 3: Cross multiply
    19,409.56x = 29,114.58 × 5,558.56
  4. Step 4: Simplify right side
    19,409.56x = 161,835,139.80
  5. Step 5: Solve for x
    x = 161,835,139.80/19,409.56
  6. Step 6: Final answer
    x = 8,337.91

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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.