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Finding the Fourth Proportional to 18,842.65, 26,001.07 and 10,883.79

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Solution

The fourth proportional to 18,842.65, 26,001.07 and 10,883.79 is: 15,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.65 : 26,001.07 = 10,883.79 : x
  2. Step 2: Convert to fraction form
    18,842.65/26,001.07 = 10,883.79/x
  3. Step 3: Cross multiply
    18,842.65x = 26,001.07 × 10,883.79
  4. Step 4: Simplify right side
    18,842.65x = 282,990,158.45
  5. Step 5: Solve for x
    x = 282,990,158.45/18,842.65
  6. Step 6: Final answer
    x = 15,018.60

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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.