Home / 14,356.88-21,536.55-3,968.63

Finding the Fourth Proportional to 14,356.88, 21,536.55 and 3,968.63

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Solution

The fourth proportional to 14,356.88, 21,536.55 and 3,968.63 is: 5,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.88 : 21,536.55 = 3,968.63 : x
  2. Step 2: Convert to fraction form
    14,356.88/21,536.55 = 3,968.63/x
  3. Step 3: Cross multiply
    14,356.88x = 21,536.55 × 3,968.63
  4. Step 4: Simplify right side
    14,356.88x = 85,470,598.43
  5. Step 5: Solve for x
    x = 85,470,598.43/14,356.88
  6. Step 6: Final answer
    x = 5,953.29

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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.