Home / 14,224.47-19,629.75-7,936.85

Finding the Fourth Proportional to 14,224.47, 19,629.75 and 7,936.85

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Solution

The fourth proportional to 14,224.47, 19,629.75 and 7,936.85 is: 10,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.47 : 19,629.75 = 7,936.85 : x
  2. Step 2: Convert to fraction form
    14,224.47/19,629.75 = 7,936.85/x
  3. Step 3: Cross multiply
    14,224.47x = 19,629.75 × 7,936.85
  4. Step 4: Simplify right side
    14,224.47x = 155,798,312.90
  5. Step 5: Solve for x
    x = 155,798,312.90/14,224.47
  6. Step 6: Final answer
    x = 10,952.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.