Home / 27,255.73-40,883.63-12,460.68

Finding the Fourth Proportional to 27,255.73, 40,883.63 and 12,460.68

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Solution

The fourth proportional to 27,255.73, 40,883.63 and 12,460.68 is: 18,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.73 : 40,883.63 = 12,460.68 : x
  2. Step 2: Convert to fraction form
    27,255.73/40,883.63 = 12,460.68/x
  3. Step 3: Cross multiply
    27,255.73x = 40,883.63 × 12,460.68
  4. Step 4: Simplify right side
    27,255.73x = 509,437,830.67
  5. Step 5: Solve for x
    x = 509,437,830.67/27,255.73
  6. Step 6: Final answer
    x = 18,691.04

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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.