Home / 14,410.35-21,615.53-3,880.39

Finding the Fourth Proportional to 14,410.35, 21,615.53 and 3,880.39

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Solution

The fourth proportional to 14,410.35, 21,615.53 and 3,880.39 is: 5,820.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.35 : 21,615.53 = 3,880.39 : x
  2. Step 2: Convert to fraction form
    14,410.35/21,615.53 = 3,880.39/x
  3. Step 3: Cross multiply
    14,410.35x = 21,615.53 × 3,880.39
  4. Step 4: Simplify right side
    14,410.35x = 83,876,686.46
  5. Step 5: Solve for x
    x = 83,876,686.46/14,410.35
  6. Step 6: Final answer
    x = 5,820.59

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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.