Home / 18,682.61-28,032.16-9,795.81

Finding the Fourth Proportional to 18,682.61, 28,032.16 and 9,795.81

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Solution

The fourth proportional to 18,682.61, 28,032.16 and 9,795.81 is: 14,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682.61 : 28,032.16 = 9,795.81 : x
  2. Step 2: Convert to fraction form
    18,682.61/28,032.16 = 9,795.81/x
  3. Step 3: Cross multiply
    18,682.61x = 28,032.16 × 9,795.81
  4. Step 4: Simplify right side
    18,682.61x = 274,597,725.49
  5. Step 5: Solve for x
    x = 274,597,725.49/18,682.61
  6. Step 6: Final answer
    x = 14,698.04

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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.