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Finding the Fourth Proportional to 18,842.94, 26,004.15 and 10,459.50

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Solution

The fourth proportional to 18,842.94, 26,004.15 and 10,459.50 is: 14,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,842.94 : 26,004.15 = 10,459.50 : x
  2. Step 2: Convert to fraction form
    18,842.94/26,004.15 = 10,459.50/x
  3. Step 3: Cross multiply
    18,842.94x = 26,004.15 × 10,459.50
  4. Step 4: Simplify right side
    18,842.94x = 271,990,406.93
  5. Step 5: Solve for x
    x = 271,990,406.93/18,842.94
  6. Step 6: Final answer
    x = 14,434.61

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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.