Home / 14,070.81-21,106.43-3,682.56

Finding the Fourth Proportional to 14,070.81, 21,106.43 and 3,682.56

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Solution

The fourth proportional to 14,070.81, 21,106.43 and 3,682.56 is: 5,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.81 : 21,106.43 = 3,682.56 : x
  2. Step 2: Convert to fraction form
    14,070.81/21,106.43 = 3,682.56/x
  3. Step 3: Cross multiply
    14,070.81x = 21,106.43 × 3,682.56
  4. Step 4: Simplify right side
    14,070.81x = 77,725,694.86
  5. Step 5: Solve for x
    x = 77,725,694.86/14,070.81
  6. Step 6: Final answer
    x = 5,523.90

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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.