Home / 14,106.02-21,160.35-3,974.36

Finding the Fourth Proportional to 14,106.02, 21,160.35 and 3,974.36

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Solution

The fourth proportional to 14,106.02, 21,160.35 and 3,974.36 is: 5,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.02 : 21,160.35 = 3,974.36 : x
  2. Step 2: Convert to fraction form
    14,106.02/21,160.35 = 3,974.36/x
  3. Step 3: Cross multiply
    14,106.02x = 21,160.35 × 3,974.36
  4. Step 4: Simplify right side
    14,106.02x = 84,098,742.82
  5. Step 5: Solve for x
    x = 84,098,742.82/14,106.02
  6. Step 6: Final answer
    x = 5,961.91

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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.