Home / 18,981.12-26,194.96-11,025.84

Finding the Fourth Proportional to 18,981.12, 26,194.96 and 11,025.84

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Solution

The fourth proportional to 18,981.12, 26,194.96 and 11,025.84 is: 15,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.12 : 26,194.96 = 11,025.84 : x
  2. Step 2: Convert to fraction form
    18,981.12/26,194.96 = 11,025.84/x
  3. Step 3: Cross multiply
    18,981.12x = 26,194.96 × 11,025.84
  4. Step 4: Simplify right side
    18,981.12x = 288,821,437.77
  5. Step 5: Solve for x
    x = 288,821,437.77/18,981.12
  6. Step 6: Final answer
    x = 15,216.25

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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.