Home / 18,802.21-25,887.84-14,311.57

Finding the Fourth Proportional to 18,802.21, 25,887.84 and 14,311.57

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Solution

The fourth proportional to 18,802.21, 25,887.84 and 14,311.57 is: 19,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.21 : 25,887.84 = 14,311.57 : x
  2. Step 2: Convert to fraction form
    18,802.21/25,887.84 = 14,311.57/x
  3. Step 3: Cross multiply
    18,802.21x = 25,887.84 × 14,311.57
  4. Step 4: Simplify right side
    18,802.21x = 370,495,634.31
  5. Step 5: Solve for x
    x = 370,495,634.31/18,802.21
  6. Step 6: Final answer
    x = 19,704.90

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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.