Home / 13,059.55-18,022.35-7,091.32

Finding the Fourth Proportional to 13,059.55, 18,022.35 and 7,091.32

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Solution

The fourth proportional to 13,059.55, 18,022.35 and 7,091.32 is: 9,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.55 : 18,022.35 = 7,091.32 : x
  2. Step 2: Convert to fraction form
    13,059.55/18,022.35 = 7,091.32/x
  3. Step 3: Cross multiply
    13,059.55x = 18,022.35 × 7,091.32
  4. Step 4: Simplify right side
    13,059.55x = 127,802,251.00
  5. Step 5: Solve for x
    x = 127,802,251.00/13,059.55
  6. Step 6: Final answer
    x = 9,786.11

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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.