Home / 13,979.15-19,291.07-10,410.08

Finding the Fourth Proportional to 13,979.15, 19,291.07 and 10,410.08

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Solution

The fourth proportional to 13,979.15, 19,291.07 and 10,410.08 is: 14,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.15 : 19,291.07 = 10,410.08 : x
  2. Step 2: Convert to fraction form
    13,979.15/19,291.07 = 10,410.08/x
  3. Step 3: Cross multiply
    13,979.15x = 19,291.07 × 10,410.08
  4. Step 4: Simplify right side
    13,979.15x = 200,821,529.94
  5. Step 5: Solve for x
    x = 200,821,529.94/13,979.15
  6. Step 6: Final answer
    x = 14,365.79

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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.