Home / 14,142.90-21,222.57-5,823.75

Finding the Fourth Proportional to 14,142.90, 21,222.57 and 5,823.75

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Solution

The fourth proportional to 14,142.90, 21,222.57 and 5,823.75 is: 8,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.90 : 21,222.57 = 5,823.75 : x
  2. Step 2: Convert to fraction form
    14,142.90/21,222.57 = 5,823.75/x
  3. Step 3: Cross multiply
    14,142.90x = 21,222.57 × 5,823.75
  4. Step 4: Simplify right side
    14,142.90x = 123,594,942.04
  5. Step 5: Solve for x
    x = 123,594,942.04/14,142.90
  6. Step 6: Final answer
    x = 8,739.01

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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.