Home / 14,012.16-21,022.36-4,151.72

Finding the Fourth Proportional to 14,012.16, 21,022.36 and 4,151.72

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Solution

The fourth proportional to 14,012.16, 21,022.36 and 4,151.72 is: 6,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.16 : 21,022.36 = 4,151.72 : x
  2. Step 2: Convert to fraction form
    14,012.16/21,022.36 = 4,151.72/x
  3. Step 3: Cross multiply
    14,012.16x = 21,022.36 × 4,151.72
  4. Step 4: Simplify right side
    14,012.16x = 87,278,952.46
  5. Step 5: Solve for x
    x = 87,278,952.46/14,012.16
  6. Step 6: Final answer
    x = 6,228.80

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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.