Home / 18,975.49-28,462.11-5,827.98

Finding the Fourth Proportional to 18,975.49, 28,462.11 and 5,827.98

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Solution

The fourth proportional to 18,975.49, 28,462.11 and 5,827.98 is: 8,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.49 : 28,462.11 = 5,827.98 : x
  2. Step 2: Convert to fraction form
    18,975.49/28,462.11 = 5,827.98/x
  3. Step 3: Cross multiply
    18,975.49x = 28,462.11 × 5,827.98
  4. Step 4: Simplify right side
    18,975.49x = 165,876,607.84
  5. Step 5: Solve for x
    x = 165,876,607.84/18,975.49
  6. Step 6: Final answer
    x = 8,741.62

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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.