Home / 13,085.06-18,049.28-11,410.47

Finding the Fourth Proportional to 13,085.06, 18,049.28 and 11,410.47

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Solution

The fourth proportional to 13,085.06, 18,049.28 and 11,410.47 is: 15,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.06 : 18,049.28 = 11,410.47 : x
  2. Step 2: Convert to fraction form
    13,085.06/18,049.28 = 11,410.47/x
  3. Step 3: Cross multiply
    13,085.06x = 18,049.28 × 11,410.47
  4. Step 4: Simplify right side
    13,085.06x = 205,950,710.91
  5. Step 5: Solve for x
    x = 205,950,710.91/13,085.06
  6. Step 6: Final answer
    x = 15,739.38

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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.