Home / 13,022.99-17,971.75-7,054.71

Finding the Fourth Proportional to 13,022.99, 17,971.75 and 7,054.71

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Solution

The fourth proportional to 13,022.99, 17,971.75 and 7,054.71 is: 9,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.99 : 17,971.75 = 7,054.71 : x
  2. Step 2: Convert to fraction form
    13,022.99/17,971.75 = 7,054.71/x
  3. Step 3: Cross multiply
    13,022.99x = 17,971.75 × 7,054.71
  4. Step 4: Simplify right side
    13,022.99x = 126,785,484.44
  5. Step 5: Solve for x
    x = 126,785,484.44/13,022.99
  6. Step 6: Final answer
    x = 9,735.51

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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.