Home / 14,271.27-19,694.36-7,898.12

Finding the Fourth Proportional to 14,271.27, 19,694.36 and 7,898.12

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Solution

The fourth proportional to 14,271.27, 19,694.36 and 7,898.12 is: 10,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.27 : 19,694.36 = 7,898.12 : x
  2. Step 2: Convert to fraction form
    14,271.27/19,694.36 = 7,898.12/x
  3. Step 3: Cross multiply
    14,271.27x = 19,694.36 × 7,898.12
  4. Step 4: Simplify right side
    14,271.27x = 155,548,418.60
  5. Step 5: Solve for x
    x = 155,548,418.60/14,271.27
  6. Step 6: Final answer
    x = 10,899.41

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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.