Home / 18,400.90-27,601.44-6,714.10

Finding the Fourth Proportional to 18,400.90, 27,601.44 and 6,714.10

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Solution

The fourth proportional to 18,400.90, 27,601.44 and 6,714.10 is: 10,071.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.90 : 27,601.44 = 6,714.10 : x
  2. Step 2: Convert to fraction form
    18,400.90/27,601.44 = 6,714.10/x
  3. Step 3: Cross multiply
    18,400.90x = 27,601.44 × 6,714.10
  4. Step 4: Simplify right side
    18,400.90x = 185,318,828.30
  5. Step 5: Solve for x
    x = 185,318,828.30/18,400.90
  6. Step 6: Final answer
    x = 10,071.18

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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.