Home / 14,150.86-21,225.07-4,790.68

Finding the Fourth Proportional to 14,150.86, 21,225.07 and 4,790.68

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Solution

The fourth proportional to 14,150.86, 21,225.07 and 4,790.68 is: 7,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.86 : 21,225.07 = 4,790.68 : x
  2. Step 2: Convert to fraction form
    14,150.86/21,225.07 = 4,790.68/x
  3. Step 3: Cross multiply
    14,150.86x = 21,225.07 × 4,790.68
  4. Step 4: Simplify right side
    14,150.86x = 101,682,518.35
  5. Step 5: Solve for x
    x = 101,682,518.35/14,150.86
  6. Step 6: Final answer
    x = 7,185.61

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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.