Home / 13,021.25-17,969.32-7,052.90

Finding the Fourth Proportional to 13,021.25, 17,969.32 and 7,052.90

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Solution

The fourth proportional to 13,021.25, 17,969.32 and 7,052.90 is: 9,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.25 : 17,969.32 = 7,052.90 : x
  2. Step 2: Convert to fraction form
    13,021.25/17,969.32 = 7,052.90/x
  3. Step 3: Cross multiply
    13,021.25x = 17,969.32 × 7,052.90
  4. Step 4: Simplify right side
    13,021.25x = 126,735,767.06
  5. Step 5: Solve for x
    x = 126,735,767.06/13,021.25
  6. Step 6: Final answer
    x = 9,733.00

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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.