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Finding the Fourth Proportional to 18,025.66, 24,856.32 and 12,368.69

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Solution

The fourth proportional to 18,025.66, 24,856.32 and 12,368.69 is: 17,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.66 : 24,856.32 = 12,368.69 : x
  2. Step 2: Convert to fraction form
    18,025.66/24,856.32 = 12,368.69/x
  3. Step 3: Cross multiply
    18,025.66x = 24,856.32 × 12,368.69
  4. Step 4: Simplify right side
    18,025.66x = 307,440,116.62
  5. Step 5: Solve for x
    x = 307,440,116.62/18,025.66
  6. Step 6: Final answer
    x = 17,055.69

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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.