Home / 23,420.09-35,087.60-13,538.49

Finding the Fourth Proportional to 23,420.09, 35,087.60 and 13,538.49

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Solution

The fourth proportional to 23,420.09, 35,087.60 and 13,538.49 is: 20,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.09 : 35,087.60 = 13,538.49 : x
  2. Step 2: Convert to fraction form
    23,420.09/35,087.60 = 13,538.49/x
  3. Step 3: Cross multiply
    23,420.09x = 35,087.60 × 13,538.49
  4. Step 4: Simplify right side
    23,420.09x = 475,033,054.03
  5. Step 5: Solve for x
    x = 475,033,054.03/23,420.09
  6. Step 6: Final answer
    x = 20,283.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.