Home / 14,172.54-21,240.26-5,842.86

Finding the Fourth Proportional to 14,172.54, 21,240.26 and 5,842.86

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Solution

The fourth proportional to 14,172.54, 21,240.26 and 5,842.86 is: 8,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.54 : 21,240.26 = 5,842.86 : x
  2. Step 2: Convert to fraction form
    14,172.54/21,240.26 = 5,842.86/x
  3. Step 3: Cross multiply
    14,172.54x = 21,240.26 × 5,842.86
  4. Step 4: Simplify right side
    14,172.54x = 124,103,836.33
  5. Step 5: Solve for x
    x = 124,103,836.33/14,172.54
  6. Step 6: Final answer
    x = 8,756.64

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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.