Home / 22,334.41-30,821.50-13,261.58

Finding the Fourth Proportional to 22,334.41, 30,821.50 and 13,261.58

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Solution

The fourth proportional to 22,334.41, 30,821.50 and 13,261.58 is: 18,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.41 : 30,821.50 = 13,261.58 : x
  2. Step 2: Convert to fraction form
    22,334.41/30,821.50 = 13,261.58/x
  3. Step 3: Cross multiply
    22,334.41x = 30,821.50 × 13,261.58
  4. Step 4: Simplify right side
    22,334.41x = 408,741,762.24
  5. Step 5: Solve for x
    x = 408,741,762.24/22,334.41
  6. Step 6: Final answer
    x = 18,300.99

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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.