Home / 19,806.54-27,341.46-13,347.60

Finding the Fourth Proportional to 19,806.54, 27,341.46 and 13,347.60

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Solution

The fourth proportional to 19,806.54, 27,341.46 and 13,347.60 is: 18,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.54 : 27,341.46 = 13,347.60 : x
  2. Step 2: Convert to fraction form
    19,806.54/27,341.46 = 13,347.60/x
  3. Step 3: Cross multiply
    19,806.54x = 27,341.46 × 13,347.60
  4. Step 4: Simplify right side
    19,806.54x = 364,942,871.50
  5. Step 5: Solve for x
    x = 364,942,871.50/19,806.54
  6. Step 6: Final answer
    x = 18,425.37

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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.