Home / 27,043.76-40,538.27-12,983.24

Finding the Fourth Proportional to 27,043.76, 40,538.27 and 12,983.24

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Solution

The fourth proportional to 27,043.76, 40,538.27 and 12,983.24 is: 19,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.76 : 40,538.27 = 12,983.24 : x
  2. Step 2: Convert to fraction form
    27,043.76/40,538.27 = 12,983.24/x
  3. Step 3: Cross multiply
    27,043.76x = 40,538.27 × 12,983.24
  4. Step 4: Simplify right side
    27,043.76x = 526,317,820.99
  5. Step 5: Solve for x
    x = 526,317,820.99/27,043.76
  6. Step 6: Final answer
    x = 19,461.71

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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.