Home / 18,909.45-26,131.01-14,185.53

Finding the Fourth Proportional to 18,909.45, 26,131.01 and 14,185.53

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Solution

The fourth proportional to 18,909.45, 26,131.01 and 14,185.53 is: 19,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.45 : 26,131.01 = 14,185.53 : x
  2. Step 2: Convert to fraction form
    18,909.45/26,131.01 = 14,185.53/x
  3. Step 3: Cross multiply
    18,909.45x = 26,131.01 × 14,185.53
  4. Step 4: Simplify right side
    18,909.45x = 370,682,226.29
  5. Step 5: Solve for x
    x = 370,682,226.29/18,909.45
  6. Step 6: Final answer
    x = 19,603.01

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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.