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Finding the Fourth Proportional to 14,053.93, 19,395.29 and 8,085.47

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Solution

The fourth proportional to 14,053.93, 19,395.29 and 8,085.47 is: 11,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.93 : 19,395.29 = 8,085.47 : x
  2. Step 2: Convert to fraction form
    14,053.93/19,395.29 = 8,085.47/x
  3. Step 3: Cross multiply
    14,053.93x = 19,395.29 × 8,085.47
  4. Step 4: Simplify right side
    14,053.93x = 156,819,958.67
  5. Step 5: Solve for x
    x = 156,819,958.67/14,053.93
  6. Step 6: Final answer
    x = 11,158.44

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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.