Home / 22,421.58-30,940.92-13,474.01

Finding the Fourth Proportional to 22,421.58, 30,940.92 and 13,474.01

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Solution

The fourth proportional to 22,421.58, 30,940.92 and 13,474.01 is: 18,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.58 : 30,940.92 = 13,474.01 : x
  2. Step 2: Convert to fraction form
    22,421.58/30,940.92 = 13,474.01/x
  3. Step 3: Cross multiply
    22,421.58x = 30,940.92 × 13,474.01
  4. Step 4: Simplify right side
    22,421.58x = 416,898,342.84
  5. Step 5: Solve for x
    x = 416,898,342.84/22,421.58
  6. Step 6: Final answer
    x = 18,593.62

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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.