Home / 18,412.44-27,599.40-8,543.52

Finding the Fourth Proportional to 18,412.44, 27,599.40 and 8,543.52

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Solution

The fourth proportional to 18,412.44, 27,599.40 and 8,543.52 is: 12,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.44 : 27,599.40 = 8,543.52 : x
  2. Step 2: Convert to fraction form
    18,412.44/27,599.40 = 8,543.52/x
  3. Step 3: Cross multiply
    18,412.44x = 27,599.40 × 8,543.52
  4. Step 4: Simplify right side
    18,412.44x = 235,796,025.89
  5. Step 5: Solve for x
    x = 235,796,025.89/18,412.44
  6. Step 6: Final answer
    x = 12,806.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.