Home / 13,954.20-19,256.58-7,666.44

Finding the Fourth Proportional to 13,954.20, 19,256.58 and 7,666.44

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Solution

The fourth proportional to 13,954.20, 19,256.58 and 7,666.44 is: 10,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.20 : 19,256.58 = 7,666.44 : x
  2. Step 2: Convert to fraction form
    13,954.20/19,256.58 = 7,666.44/x
  3. Step 3: Cross multiply
    13,954.20x = 19,256.58 × 7,666.44
  4. Step 4: Simplify right side
    13,954.20x = 147,629,415.18
  5. Step 5: Solve for x
    x = 147,629,415.18/13,954.20
  6. Step 6: Final answer
    x = 10,579.57

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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.