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Finding the Fourth Proportional to 14,033.11, 19,368.19 and 8,368.23

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Solution

The fourth proportional to 14,033.11, 19,368.19 and 8,368.23 is: 11,549.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033.11 : 19,368.19 = 8,368.23 : x
  2. Step 2: Convert to fraction form
    14,033.11/19,368.19 = 8,368.23/x
  3. Step 3: Cross multiply
    14,033.11x = 19,368.19 × 8,368.23
  4. Step 4: Simplify right side
    14,033.11x = 162,077,468.60
  5. Step 5: Solve for x
    x = 162,077,468.60/14,033.11
  6. Step 6: Final answer
    x = 11,549.65

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Double scale
Find fourth proportional to 14,034.11, 19,369.57 and 8,369.23
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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.