Home / 19,580.48-29,372.94-7,106.36

Finding the Fourth Proportional to 19,580.48, 29,372.94 and 7,106.36

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Solution

The fourth proportional to 19,580.48, 29,372.94 and 7,106.36 is: 10,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.48 : 29,372.94 = 7,106.36 : x
  2. Step 2: Convert to fraction form
    19,580.48/29,372.94 = 7,106.36/x
  3. Step 3: Cross multiply
    19,580.48x = 29,372.94 × 7,106.36
  4. Step 4: Simplify right side
    19,580.48x = 208,734,685.90
  5. Step 5: Solve for x
    x = 208,734,685.90/19,580.48
  6. Step 6: Final answer
    x = 10,660.35

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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.