Home / 19,189.56-26,485.94-12,463.47

Finding the Fourth Proportional to 19,189.56, 26,485.94 and 12,463.47

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Solution

The fourth proportional to 19,189.56, 26,485.94 and 12,463.47 is: 17,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.56 : 26,485.94 = 12,463.47 : x
  2. Step 2: Convert to fraction form
    19,189.56/26,485.94 = 12,463.47/x
  3. Step 3: Cross multiply
    19,189.56x = 26,485.94 × 12,463.47
  4. Step 4: Simplify right side
    19,189.56x = 330,106,679.66
  5. Step 5: Solve for x
    x = 330,106,679.66/19,189.56
  6. Step 6: Final answer
    x = 17,202.41

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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.