Home / 13,080.23-18,060.90-8,046.77

Finding the Fourth Proportional to 13,080.23, 18,060.90 and 8,046.77

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Solution

The fourth proportional to 13,080.23, 18,060.90 and 8,046.77 is: 11,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.23 : 18,060.90 = 8,046.77 : x
  2. Step 2: Convert to fraction form
    13,080.23/18,060.90 = 8,046.77/x
  3. Step 3: Cross multiply
    13,080.23x = 18,060.90 × 8,046.77
  4. Step 4: Simplify right side
    13,080.23x = 145,331,908.29
  5. Step 5: Solve for x
    x = 145,331,908.29/13,080.23
  6. Step 6: Final answer
    x = 11,110.81

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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.