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Finding the Fourth Proportional to 19,496.69, 26,904.75 and 10,999.08

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Solution

The fourth proportional to 19,496.69, 26,904.75 and 10,999.08 is: 15,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.69 : 26,904.75 = 10,999.08 : x
  2. Step 2: Convert to fraction form
    19,496.69/26,904.75 = 10,999.08/x
  3. Step 3: Cross multiply
    19,496.69x = 26,904.75 × 10,999.08
  4. Step 4: Simplify right side
    19,496.69x = 295,927,497.63
  5. Step 5: Solve for x
    x = 295,927,497.63/19,496.69
  6. Step 6: Final answer
    x = 15,178.35

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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.