Home / 15,817.84-23,728.16-4,131.04

Finding the Fourth Proportional to 15,817.84, 23,728.16 and 4,131.04

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Solution

The fourth proportional to 15,817.84, 23,728.16 and 4,131.04 is: 6,196.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.84 : 23,728.16 = 4,131.04 : x
  2. Step 2: Convert to fraction form
    15,817.84/23,728.16 = 4,131.04/x
  3. Step 3: Cross multiply
    15,817.84x = 23,728.16 × 4,131.04
  4. Step 4: Simplify right side
    15,817.84x = 98,021,978.09
  5. Step 5: Solve for x
    x = 98,021,978.09/15,817.84
  6. Step 6: Final answer
    x = 6,196.93

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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.