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Finding the Fourth Proportional to 18,395.01, 25,398.03 and 14,366.38

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Solution

The fourth proportional to 18,395.01, 25,398.03 and 14,366.38 is: 19,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.01 : 25,398.03 = 14,366.38 : x
  2. Step 2: Convert to fraction form
    18,395.01/25,398.03 = 14,366.38/x
  3. Step 3: Cross multiply
    18,395.01x = 25,398.03 × 14,366.38
  4. Step 4: Simplify right side
    18,395.01x = 364,877,750.23
  5. Step 5: Solve for x
    x = 364,877,750.23/18,395.01
  6. Step 6: Final answer
    x = 19,835.69

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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.