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Finding the Fourth Proportional to 19,059.19, 26,301.69 and 11,607.19

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Solution

The fourth proportional to 19,059.19, 26,301.69 and 11,607.19 is: 16,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.19 : 26,301.69 = 11,607.19 : x
  2. Step 2: Convert to fraction form
    19,059.19/26,301.69 = 11,607.19/x
  3. Step 3: Cross multiply
    19,059.19x = 26,301.69 × 11,607.19
  4. Step 4: Simplify right side
    19,059.19x = 305,288,647.40
  5. Step 5: Solve for x
    x = 305,288,647.40/19,059.19
  6. Step 6: Final answer
    x = 16,017.93

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Half scale
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Double scale
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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.