Home / 14,114.76-21,172.15-3,585.57

Finding the Fourth Proportional to 14,114.76, 21,172.15 and 3,585.57

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Solution

The fourth proportional to 14,114.76, 21,172.15 and 3,585.57 is: 5,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.76 : 21,172.15 = 3,585.57 : x
  2. Step 2: Convert to fraction form
    14,114.76/21,172.15 = 3,585.57/x
  3. Step 3: Cross multiply
    14,114.76x = 21,172.15 × 3,585.57
  4. Step 4: Simplify right side
    14,114.76x = 75,914,225.88
  5. Step 5: Solve for x
    x = 75,914,225.88/14,114.76
  6. Step 6: Final answer
    x = 5,378.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.