Home / 19,735.56-27,235.10-11,237.30

Finding the Fourth Proportional to 19,735.56, 27,235.10 and 11,237.30

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Solution

The fourth proportional to 19,735.56, 27,235.10 and 11,237.30 is: 15,507.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.56 : 27,235.10 = 11,237.30 : x
  2. Step 2: Convert to fraction form
    19,735.56/27,235.10 = 11,237.30/x
  3. Step 3: Cross multiply
    19,735.56x = 27,235.10 × 11,237.30
  4. Step 4: Simplify right side
    19,735.56x = 306,048,989.23
  5. Step 5: Solve for x
    x = 306,048,989.23/19,735.56
  6. Step 6: Final answer
    x = 15,507.49

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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.