Home / 20,025.58-27,626.10-12,954.28

Finding the Fourth Proportional to 20,025.58, 27,626.10 and 12,954.28

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Solution

The fourth proportional to 20,025.58, 27,626.10 and 12,954.28 is: 17,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.58 : 27,626.10 = 12,954.28 : x
  2. Step 2: Convert to fraction form
    20,025.58/27,626.10 = 12,954.28/x
  3. Step 3: Cross multiply
    20,025.58x = 27,626.10 × 12,954.28
  4. Step 4: Simplify right side
    20,025.58x = 357,876,234.71
  5. Step 5: Solve for x
    x = 357,876,234.71/20,025.58
  6. Step 6: Final answer
    x = 17,870.95

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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.