Home / 13,025.81-17,975.55-7,057.43

Finding the Fourth Proportional to 13,025.81, 17,975.55 and 7,057.43

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Solution

The fourth proportional to 13,025.81, 17,975.55 and 7,057.43 is: 9,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.81 : 17,975.55 = 7,057.43 : x
  2. Step 2: Convert to fraction form
    13,025.81/17,975.55 = 7,057.43/x
  3. Step 3: Cross multiply
    13,025.81x = 17,975.55 × 7,057.43
  4. Step 4: Simplify right side
    13,025.81x = 126,861,185.84
  5. Step 5: Solve for x
    x = 126,861,185.84/13,025.81
  6. Step 6: Final answer
    x = 9,739.22

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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.