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Finding the Fourth Proportional to 18,803.43, 25,955.24 and 10,848.83

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Solution

The fourth proportional to 18,803.43, 25,955.24 and 10,848.83 is: 14,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.43 : 25,955.24 = 10,848.83 : x
  2. Step 2: Convert to fraction form
    18,803.43/25,955.24 = 10,848.83/x
  3. Step 3: Cross multiply
    18,803.43x = 25,955.24 × 10,848.83
  4. Step 4: Simplify right side
    18,803.43x = 281,583,802.35
  5. Step 5: Solve for x
    x = 281,583,802.35/18,803.43
  6. Step 6: Final answer
    x = 14,975.13

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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.