Home / 19,826.94-27,363.96-12,275.68

Finding the Fourth Proportional to 19,826.94, 27,363.96 and 12,275.68

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Solution

The fourth proportional to 19,826.94, 27,363.96 and 12,275.68 is: 16,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.94 : 27,363.96 = 12,275.68 : x
  2. Step 2: Convert to fraction form
    19,826.94/27,363.96 = 12,275.68/x
  3. Step 3: Cross multiply
    19,826.94x = 27,363.96 × 12,275.68
  4. Step 4: Simplify right side
    19,826.94x = 335,911,216.49
  5. Step 5: Solve for x
    x = 335,911,216.49/19,826.94
  6. Step 6: Final answer
    x = 16,942.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.