Home / 22,034.37-30,412.23-13,540.95

Finding the Fourth Proportional to 22,034.37, 30,412.23 and 13,540.95

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Solution

The fourth proportional to 22,034.37, 30,412.23 and 13,540.95 is: 18,689.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,034.37 : 30,412.23 = 13,540.95 : x
  2. Step 2: Convert to fraction form
    22,034.37/30,412.23 = 13,540.95/x
  3. Step 3: Cross multiply
    22,034.37x = 30,412.23 × 13,540.95
  4. Step 4: Simplify right side
    22,034.37x = 411,810,485.82
  5. Step 5: Solve for x
    x = 411,810,485.82/22,034.37
  6. Step 6: Final answer
    x = 18,689.46

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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.