Home / 14,014.74-21,018.49-4,151.71

Finding the Fourth Proportional to 14,014.74, 21,018.49 and 4,151.71

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Solution

The fourth proportional to 14,014.74, 21,018.49 and 4,151.71 is: 6,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.74 : 21,018.49 = 4,151.71 : x
  2. Step 2: Convert to fraction form
    14,014.74/21,018.49 = 4,151.71/x
  3. Step 3: Cross multiply
    14,014.74x = 21,018.49 × 4,151.71
  4. Step 4: Simplify right side
    14,014.74x = 87,262,732.06
  5. Step 5: Solve for x
    x = 87,262,732.06/14,014.74
  6. Step 6: Final answer
    x = 6,226.50

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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.