Home / 13,775.36-19,010.00-7,487.73

Finding the Fourth Proportional to 13,775.36, 19,010.00 and 7,487.73

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Solution

The fourth proportional to 13,775.36, 19,010.00 and 7,487.73 is: 10,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.36 : 19,010.00 = 7,487.73 : x
  2. Step 2: Convert to fraction form
    13,775.36/19,010.00 = 7,487.73/x
  3. Step 3: Cross multiply
    13,775.36x = 19,010.00 × 7,487.73
  4. Step 4: Simplify right side
    13,775.36x = 142,341,766.02
  5. Step 5: Solve for x
    x = 142,341,766.02/13,775.36
  6. Step 6: Final answer
    x = 10,333.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.