Home / 14,258.14-19,675.42-7,884.36

Finding the Fourth Proportional to 14,258.14, 19,675.42 and 7,884.36

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Solution

The fourth proportional to 14,258.14, 19,675.42 and 7,884.36 is: 10,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.14 : 19,675.42 = 7,884.36 : x
  2. Step 2: Convert to fraction form
    14,258.14/19,675.42 = 7,884.36/x
  3. Step 3: Cross multiply
    14,258.14x = 19,675.42 × 7,884.36
  4. Step 4: Simplify right side
    14,258.14x = 155,128,074.72
  5. Step 5: Solve for x
    x = 155,128,074.72/14,258.14
  6. Step 6: Final answer
    x = 10,879.97

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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.