Home / 19,157.31-26,436.60-11,089.85

Finding the Fourth Proportional to 19,157.31, 26,436.60 and 11,089.85

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Solution

The fourth proportional to 19,157.31, 26,436.60 and 11,089.85 is: 15,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.31 : 26,436.60 = 11,089.85 : x
  2. Step 2: Convert to fraction form
    19,157.31/26,436.60 = 11,089.85/x
  3. Step 3: Cross multiply
    19,157.31x = 26,436.60 × 11,089.85
  4. Step 4: Simplify right side
    19,157.31x = 293,177,796.33
  5. Step 5: Solve for x
    x = 293,177,796.33/19,157.31
  6. Step 6: Final answer
    x = 15,303.70

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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.