Home / 14,451.05-19,918.59-9,669.28

Finding the Fourth Proportional to 14,451.05, 19,918.59 and 9,669.28

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Solution

The fourth proportional to 14,451.05, 19,918.59 and 9,669.28 is: 13,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.05 : 19,918.59 = 9,669.28 : x
  2. Step 2: Convert to fraction form
    14,451.05/19,918.59 = 9,669.28/x
  3. Step 3: Cross multiply
    14,451.05x = 19,918.59 × 9,669.28
  4. Step 4: Simplify right side
    14,451.05x = 192,598,375.57
  5. Step 5: Solve for x
    x = 192,598,375.57/14,451.05
  6. Step 6: Final answer
    x = 13,327.64

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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.