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Finding the Fourth Proportional to 19,100, 26,360.88 and 11,652.32

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Solution

The fourth proportional to 19,100, 26,360.88 and 11,652.32 is: 16,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100 : 26,360.88 = 11,652.32 : x
  2. Step 2: Convert to fraction form
    19,100/26,360.88 = 11,652.32/x
  3. Step 3: Cross multiply
    19,100x = 26,360.88 × 11,652.32
  4. Step 4: Simplify right side
    19,100x = 307,165,409.24
  5. Step 5: Solve for x
    x = 307,165,409.24/19,100
  6. Step 6: Final answer
    x = 16,081.96

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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.