Home / 13,080.26-18,054.42-8,045.30

Finding the Fourth Proportional to 13,080.26, 18,054.42 and 8,045.30

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Solution

The fourth proportional to 13,080.26, 18,054.42 and 8,045.30 is: 11,104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.26 : 18,054.42 = 8,045.30 : x
  2. Step 2: Convert to fraction form
    13,080.26/18,054.42 = 8,045.30/x
  3. Step 3: Cross multiply
    13,080.26x = 18,054.42 × 8,045.30
  4. Step 4: Simplify right side
    13,080.26x = 145,253,225.23
  5. Step 5: Solve for x
    x = 145,253,225.23/13,080.26
  6. Step 6: Final answer
    x = 11,104.77

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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.