Home / 14,117.31-21,179.20-4,757.10

Finding the Fourth Proportional to 14,117.31, 21,179.20 and 4,757.10

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Solution

The fourth proportional to 14,117.31, 21,179.20 and 4,757.10 is: 7,136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.31 : 21,179.20 = 4,757.10 : x
  2. Step 2: Convert to fraction form
    14,117.31/21,179.20 = 4,757.10/x
  3. Step 3: Cross multiply
    14,117.31x = 21,179.20 × 4,757.10
  4. Step 4: Simplify right side
    14,117.31x = 100,751,655.24
  5. Step 5: Solve for x
    x = 100,751,655.24/14,117.31
  6. Step 6: Final answer
    x = 7,136.74

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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.