Home / 22,047.06-30,420.21-13,097.58

Finding the Fourth Proportional to 22,047.06, 30,420.21 and 13,097.58

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Solution

The fourth proportional to 22,047.06, 30,420.21 and 13,097.58 is: 18,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.06 : 30,420.21 = 13,097.58 : x
  2. Step 2: Convert to fraction form
    22,047.06/30,420.21 = 13,097.58/x
  3. Step 3: Cross multiply
    22,047.06x = 30,420.21 × 13,097.58
  4. Step 4: Simplify right side
    22,047.06x = 398,431,134.09
  5. Step 5: Solve for x
    x = 398,431,134.09/22,047.06
  6. Step 6: Final answer
    x = 18,071.85

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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.