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Finding the Fourth Proportional to 14,199.71, 19,572.03 and 13,008.47

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Solution

The fourth proportional to 14,199.71, 19,572.03 and 13,008.47 is: 17,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.71 : 19,572.03 = 13,008.47 : x
  2. Step 2: Convert to fraction form
    14,199.71/19,572.03 = 13,008.47/x
  3. Step 3: Cross multiply
    14,199.71x = 19,572.03 × 13,008.47
  4. Step 4: Simplify right side
    14,199.71x = 254,602,067.23
  5. Step 5: Solve for x
    x = 254,602,067.23/14,199.71
  6. Step 6: Final answer
    x = 17,930.10

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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.