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Finding the Fourth Proportional to 14,141.01, 19,514.63 and 7,853.38

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Solution

The fourth proportional to 14,141.01, 19,514.63 and 7,853.38 is: 10,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.01 : 19,514.63 = 7,853.38 : x
  2. Step 2: Convert to fraction form
    14,141.01/19,514.63 = 7,853.38/x
  3. Step 3: Cross multiply
    14,141.01x = 19,514.63 × 7,853.38
  4. Step 4: Simplify right side
    14,141.01x = 153,255,824.58
  5. Step 5: Solve for x
    x = 153,255,824.58/14,141.01
  6. Step 6: Final answer
    x = 10,837.69

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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.