Home / 12,827.30-19,240.74-4,062.20

Finding the Fourth Proportional to 12,827.30, 19,240.74 and 4,062.20

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Solution

The fourth proportional to 12,827.30, 19,240.74 and 4,062.20 is: 6,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.30 : 19,240.74 = 4,062.20 : x
  2. Step 2: Convert to fraction form
    12,827.30/19,240.74 = 4,062.20/x
  3. Step 3: Cross multiply
    12,827.30x = 19,240.74 × 4,062.20
  4. Step 4: Simplify right side
    12,827.30x = 78,159,734.03
  5. Step 5: Solve for x
    x = 78,159,734.03/12,827.30
  6. Step 6: Final answer
    x = 6,093.23

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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.