Home / 38,682.63-58,025.57-12,391.11

Finding the Fourth Proportional to 38,682.63, 58,025.57 and 12,391.11

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Solution

The fourth proportional to 38,682.63, 58,025.57 and 12,391.11 is: 18,587.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.63 : 58,025.57 = 12,391.11 : x
  2. Step 2: Convert to fraction form
    38,682.63/58,025.57 = 12,391.11/x
  3. Step 3: Cross multiply
    38,682.63x = 58,025.57 × 12,391.11
  4. Step 4: Simplify right side
    38,682.63x = 719,001,158.73
  5. Step 5: Solve for x
    x = 719,001,158.73/38,682.63
  6. Step 6: Final answer
    x = 18,587.18

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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.