Home / 13,022.12-17,970.56-7,053.80

Finding the Fourth Proportional to 13,022.12, 17,970.56 and 7,053.80

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Solution

The fourth proportional to 13,022.12, 17,970.56 and 7,053.80 is: 9,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.12 : 17,970.56 = 7,053.80 : x
  2. Step 2: Convert to fraction form
    13,022.12/17,970.56 = 7,053.80/x
  3. Step 3: Cross multiply
    13,022.12x = 17,970.56 × 7,053.80
  4. Step 4: Simplify right side
    13,022.12x = 126,760,736.13
  5. Step 5: Solve for x
    x = 126,760,736.13/13,022.12
  6. Step 6: Final answer
    x = 9,734.26

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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.