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Finding the Fourth Proportional to 18,009.58, 24,823.47 and 12,039.07

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Solution

The fourth proportional to 18,009.58, 24,823.47 and 12,039.07 is: 16,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.58 : 24,823.47 = 12,039.07 : x
  2. Step 2: Convert to fraction form
    18,009.58/24,823.47 = 12,039.07/x
  3. Step 3: Cross multiply
    18,009.58x = 24,823.47 × 12,039.07
  4. Step 4: Simplify right side
    18,009.58x = 298,851,492.97
  5. Step 5: Solve for x
    x = 298,851,492.97/18,009.58
  6. Step 6: Final answer
    x = 16,594.03

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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.