Home / 13,954.22-19,256.83-7,666.60

Finding the Fourth Proportional to 13,954.22, 19,256.83 and 7,666.60

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Solution

The fourth proportional to 13,954.22, 19,256.83 and 7,666.60 is: 10,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.22 : 19,256.83 = 7,666.60 : x
  2. Step 2: Convert to fraction form
    13,954.22/19,256.83 = 7,666.60/x
  3. Step 3: Cross multiply
    13,954.22x = 19,256.83 × 7,666.60
  4. Step 4: Simplify right side
    13,954.22x = 147,634,412.88
  5. Step 5: Solve for x
    x = 147,634,412.88/13,954.22
  6. Step 6: Final answer
    x = 10,579.91

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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.