Home / 13,541.58-18,680.22-8,232.84

Finding the Fourth Proportional to 13,541.58, 18,680.22 and 8,232.84

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Solution

The fourth proportional to 13,541.58, 18,680.22 and 8,232.84 is: 11,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.58 : 18,680.22 = 8,232.84 : x
  2. Step 2: Convert to fraction form
    13,541.58/18,680.22 = 8,232.84/x
  3. Step 3: Cross multiply
    13,541.58x = 18,680.22 × 8,232.84
  4. Step 4: Simplify right side
    13,541.58x = 153,791,262.42
  5. Step 5: Solve for x
    x = 153,791,262.42/13,541.58
  6. Step 6: Final answer
    x = 11,356.97

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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.