Home / 14,271.36-19,694.54-7,983.74

Finding the Fourth Proportional to 14,271.36, 19,694.54 and 7,983.74

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Solution

The fourth proportional to 14,271.36, 19,694.54 and 7,983.74 is: 11,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.36 : 19,694.54 = 7,983.74 : x
  2. Step 2: Convert to fraction form
    14,271.36/19,694.54 = 7,983.74/x
  3. Step 3: Cross multiply
    14,271.36x = 19,694.54 × 7,983.74
  4. Step 4: Simplify right side
    14,271.36x = 157,236,086.78
  5. Step 5: Solve for x
    x = 157,236,086.78/14,271.36
  6. Step 6: Final answer
    x = 11,017.60

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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.