Home / 14,622.76-20,181.06-10,145.32

Finding the Fourth Proportional to 14,622.76, 20,181.06 and 10,145.32

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Solution

The fourth proportional to 14,622.76, 20,181.06 and 10,145.32 is: 14,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.76 : 20,181.06 = 10,145.32 : x
  2. Step 2: Convert to fraction form
    14,622.76/20,181.06 = 10,145.32/x
  3. Step 3: Cross multiply
    14,622.76x = 20,181.06 × 10,145.32
  4. Step 4: Simplify right side
    14,622.76x = 204,743,311.64
  5. Step 5: Solve for x
    x = 204,743,311.64/14,622.76
  6. Step 6: Final answer
    x = 14,001.69

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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.