Home / 27,209.07-40,826.16-12,422.52

Finding the Fourth Proportional to 27,209.07, 40,826.16 and 12,422.52

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Solution

The fourth proportional to 27,209.07, 40,826.16 and 12,422.52 is: 18,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.07 : 40,826.16 = 12,422.52 : x
  2. Step 2: Convert to fraction form
    27,209.07/40,826.16 = 12,422.52/x
  3. Step 3: Cross multiply
    27,209.07x = 40,826.16 × 12,422.52
  4. Step 4: Simplify right side
    27,209.07x = 507,163,789.12
  5. Step 5: Solve for x
    x = 507,163,789.12/27,209.07
  6. Step 6: Final answer
    x = 18,639.51

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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.