Home / 13,893.36-19,172.61-7,925.01

Finding the Fourth Proportional to 13,893.36, 19,172.61 and 7,925.01

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Solution

The fourth proportional to 13,893.36, 19,172.61 and 7,925.01 is: 10,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.36 : 19,172.61 = 7,925.01 : x
  2. Step 2: Convert to fraction form
    13,893.36/19,172.61 = 7,925.01/x
  3. Step 3: Cross multiply
    13,893.36x = 19,172.61 × 7,925.01
  4. Step 4: Simplify right side
    13,893.36x = 151,943,125.98
  5. Step 5: Solve for x
    x = 151,943,125.98/13,893.36
  6. Step 6: Final answer
    x = 10,936.38

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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.