Home / 13,893.81-19,173.26-7,925.57

Finding the Fourth Proportional to 13,893.81, 19,173.26 and 7,925.57

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Solution

The fourth proportional to 13,893.81, 19,173.26 and 7,925.57 is: 10,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.81 : 19,173.26 = 7,925.57 : x
  2. Step 2: Convert to fraction form
    13,893.81/19,173.26 = 7,925.57/x
  3. Step 3: Cross multiply
    13,893.81x = 19,173.26 × 7,925.57
  4. Step 4: Simplify right side
    13,893.81x = 151,958,974.63
  5. Step 5: Solve for x
    x = 151,958,974.63/13,893.81
  6. Step 6: Final answer
    x = 10,937.17

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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.