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Finding the Fourth Proportional to 18,873.02, 26,042.70 and 10,914.04

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Solution

The fourth proportional to 18,873.02, 26,042.70 and 10,914.04 is: 15,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.02 : 26,042.70 = 10,914.04 : x
  2. Step 2: Convert to fraction form
    18,873.02/26,042.70 = 10,914.04/x
  3. Step 3: Cross multiply
    18,873.02x = 26,042.70 × 10,914.04
  4. Step 4: Simplify right side
    18,873.02x = 284,231,069.51
  5. Step 5: Solve for x
    x = 284,231,069.51/18,873.02
  6. Step 6: Final answer
    x = 15,060.18

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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.