Home / 12,595.95-18,890.55-3,828.51

Finding the Fourth Proportional to 12,595.95, 18,890.55 and 3,828.51

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Solution

The fourth proportional to 12,595.95, 18,890.55 and 3,828.51 is: 5,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.95 : 18,890.55 = 3,828.51 : x
  2. Step 2: Convert to fraction form
    12,595.95/18,890.55 = 3,828.51/x
  3. Step 3: Cross multiply
    12,595.95x = 18,890.55 × 3,828.51
  4. Step 4: Simplify right side
    12,595.95x = 72,322,659.58
  5. Step 5: Solve for x
    x = 72,322,659.58/12,595.95
  6. Step 6: Final answer
    x = 5,741.74

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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.