Home / 14,222.09-21,328.50-4,731.86

Finding the Fourth Proportional to 14,222.09, 21,328.50 and 4,731.86

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Solution

The fourth proportional to 14,222.09, 21,328.50 and 4,731.86 is: 7,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.09 : 21,328.50 = 4,731.86 : x
  2. Step 2: Convert to fraction form
    14,222.09/21,328.50 = 4,731.86/x
  3. Step 3: Cross multiply
    14,222.09x = 21,328.50 × 4,731.86
  4. Step 4: Simplify right side
    14,222.09x = 100,923,476.01
  5. Step 5: Solve for x
    x = 100,923,476.01/14,222.09
  6. Step 6: Final answer
    x = 7,096.25

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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.