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Finding the Fourth Proportional to 18,394.25, 25,384.07 and 10,010.81

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Solution

The fourth proportional to 18,394.25, 25,384.07 and 10,010.81 is: 13,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.25 : 25,384.07 = 10,010.81 : x
  2. Step 2: Convert to fraction form
    18,394.25/25,384.07 = 10,010.81/x
  3. Step 3: Cross multiply
    18,394.25x = 25,384.07 × 10,010.81
  4. Step 4: Simplify right side
    18,394.25x = 254,115,051.74
  5. Step 5: Solve for x
    x = 254,115,051.74/18,394.25
  6. Step 6: Final answer
    x = 13,814.92

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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.