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Finding the Fourth Proportional to 18,827, 25,981.80 and 10,444.04

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Solution

The fourth proportional to 18,827, 25,981.80 and 10,444.04 is: 14,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827 : 25,981.80 = 10,444.04 : x
  2. Step 2: Convert to fraction form
    18,827/25,981.80 = 10,444.04/x
  3. Step 3: Cross multiply
    18,827x = 25,981.80 × 10,444.04
  4. Step 4: Simplify right side
    18,827x = 271,354,958.47
  5. Step 5: Solve for x
    x = 271,354,958.47/18,827
  6. Step 6: Final answer
    x = 14,413.07

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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.