Home / 14,074.06-21,120.68-7,504.86

Finding the Fourth Proportional to 14,074.06, 21,120.68 and 7,504.86

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Solution

The fourth proportional to 14,074.06, 21,120.68 and 7,504.86 is: 11,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.06 : 21,120.68 = 7,504.86 : x
  2. Step 2: Convert to fraction form
    14,074.06/21,120.68 = 7,504.86/x
  3. Step 3: Cross multiply
    14,074.06x = 21,120.68 × 7,504.86
  4. Step 4: Simplify right side
    14,074.06x = 158,507,746.50
  5. Step 5: Solve for x
    x = 158,507,746.50/14,074.06
  6. Step 6: Final answer
    x = 11,262.40

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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.