Home / 14,216.80-21,296.40-8,053.60

Finding the Fourth Proportional to 14,216.80, 21,296.40 and 8,053.60

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Solution

The fourth proportional to 14,216.80, 21,296.40 and 8,053.60 is: 12,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.80 : 21,296.40 = 8,053.60 : x
  2. Step 2: Convert to fraction form
    14,216.80/21,296.40 = 8,053.60/x
  3. Step 3: Cross multiply
    14,216.80x = 21,296.40 × 8,053.60
  4. Step 4: Simplify right side
    14,216.80x = 171,512,687.04
  5. Step 5: Solve for x
    x = 171,512,687.04/14,216.80
  6. Step 6: Final answer
    x = 12,064.09

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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.