Home / 18,693.18-28,025.82-11,295.96

Finding the Fourth Proportional to 18,693.18, 28,025.82 and 11,295.96

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Solution

The fourth proportional to 18,693.18, 28,025.82 and 11,295.96 is: 16,935.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.18 : 28,025.82 = 11,295.96 : x
  2. Step 2: Convert to fraction form
    18,693.18/28,025.82 = 11,295.96/x
  3. Step 3: Cross multiply
    18,693.18x = 28,025.82 × 11,295.96
  4. Step 4: Simplify right side
    18,693.18x = 316,578,541.69
  5. Step 5: Solve for x
    x = 316,578,541.69/18,693.18
  6. Step 6: Final answer
    x = 16,935.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.