Home / 18,633.95-25,705.81-11,074.93

Finding the Fourth Proportional to 18,633.95, 25,705.81 and 11,074.93

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Solution

The fourth proportional to 18,633.95, 25,705.81 and 11,074.93 is: 15,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.95 : 25,705.81 = 11,074.93 : x
  2. Step 2: Convert to fraction form
    18,633.95/25,705.81 = 11,074.93/x
  3. Step 3: Cross multiply
    18,633.95x = 25,705.81 × 11,074.93
  4. Step 4: Simplify right side
    18,633.95x = 284,690,046.34
  5. Step 5: Solve for x
    x = 284,690,046.34/18,633.95
  6. Step 6: Final answer
    x = 15,278.03

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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.