Home / 19,401.52-29,104.70-7,555.54

Finding the Fourth Proportional to 19,401.52, 29,104.70 and 7,555.54

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Solution

The fourth proportional to 19,401.52, 29,104.70 and 7,555.54 is: 11,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.52 : 29,104.70 = 7,555.54 : x
  2. Step 2: Convert to fraction form
    19,401.52/29,104.70 = 7,555.54/x
  3. Step 3: Cross multiply
    19,401.52x = 29,104.70 × 7,555.54
  4. Step 4: Simplify right side
    19,401.52x = 219,901,725.04
  5. Step 5: Solve for x
    x = 219,901,725.04/19,401.52
  6. Step 6: Final answer
    x = 11,334.25

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1.5x scale

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.