Home / 19,389.52-26,770.44-13,099.60

Finding the Fourth Proportional to 19,389.52, 26,770.44 and 13,099.60

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Solution

The fourth proportional to 19,389.52, 26,770.44 and 13,099.60 is: 18,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.52 : 26,770.44 = 13,099.60 : x
  2. Step 2: Convert to fraction form
    19,389.52/26,770.44 = 13,099.60/x
  3. Step 3: Cross multiply
    19,389.52x = 26,770.44 × 13,099.60
  4. Step 4: Simplify right side
    19,389.52x = 350,682,055.82
  5. Step 5: Solve for x
    x = 350,682,055.82/19,389.52
  6. Step 6: Final answer
    x = 18,086.16

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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.