Home / 18,184.48-27,276.74-5,705.61

Finding the Fourth Proportional to 18,184.48, 27,276.74 and 5,705.61

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Solution

The fourth proportional to 18,184.48, 27,276.74 and 5,705.61 is: 8,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.48 : 27,276.74 = 5,705.61 : x
  2. Step 2: Convert to fraction form
    18,184.48/27,276.74 = 5,705.61/x
  3. Step 3: Cross multiply
    18,184.48x = 27,276.74 × 5,705.61
  4. Step 4: Simplify right side
    18,184.48x = 155,630,440.51
  5. Step 5: Solve for x
    x = 155,630,440.51/18,184.48
  6. Step 6: Final answer
    x = 8,558.42

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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.