Home / 22,389.25-30,895.44-12,826.84

Finding the Fourth Proportional to 22,389.25, 30,895.44 and 12,826.84

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Solution

The fourth proportional to 22,389.25, 30,895.44 and 12,826.84 is: 17,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.25 : 30,895.44 = 12,826.84 : x
  2. Step 2: Convert to fraction form
    22,389.25/30,895.44 = 12,826.84/x
  3. Step 3: Cross multiply
    22,389.25x = 30,895.44 × 12,826.84
  4. Step 4: Simplify right side
    22,389.25x = 396,290,865.61
  5. Step 5: Solve for x
    x = 396,290,865.61/22,389.25
  6. Step 6: Final answer
    x = 17,700.05

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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.