Home / 14,012.40-21,018.51-4,151.73

Finding the Fourth Proportional to 14,012.40, 21,018.51 and 4,151.73

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Solution

The fourth proportional to 14,012.40, 21,018.51 and 4,151.73 is: 6,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.40 : 21,018.51 = 4,151.73 : x
  2. Step 2: Convert to fraction form
    14,012.40/21,018.51 = 4,151.73/x
  3. Step 3: Cross multiply
    14,012.40x = 21,018.51 × 4,151.73
  4. Step 4: Simplify right side
    14,012.40x = 87,263,178.52
  5. Step 5: Solve for x
    x = 87,263,178.52/14,012.40
  6. Step 6: Final answer
    x = 6,227.57

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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.