Home / 12,827.53-19,243.32-5,432.03

Finding the Fourth Proportional to 12,827.53, 19,243.32 and 5,432.03

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Solution

The fourth proportional to 12,827.53, 19,243.32 and 5,432.03 is: 8,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.53 : 19,243.32 = 5,432.03 : x
  2. Step 2: Convert to fraction form
    12,827.53/19,243.32 = 5,432.03/x
  3. Step 3: Cross multiply
    12,827.53x = 19,243.32 × 5,432.03
  4. Step 4: Simplify right side
    12,827.53x = 104,530,264.38
  5. Step 5: Solve for x
    x = 104,530,264.38/12,827.53
  6. Step 6: Final answer
    x = 8,148.90

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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.