Home / 14,025.40-21,036.48-4,163.65

Finding the Fourth Proportional to 14,025.40, 21,036.48 and 4,163.65

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Solution

The fourth proportional to 14,025.40, 21,036.48 and 4,163.65 is: 6,244.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.40 : 21,036.48 = 4,163.65 : x
  2. Step 2: Convert to fraction form
    14,025.40/21,036.48 = 4,163.65/x
  3. Step 3: Cross multiply
    14,025.40x = 21,036.48 × 4,163.65
  4. Step 4: Simplify right side
    14,025.40x = 87,588,539.95
  5. Step 5: Solve for x
    x = 87,588,539.95/14,025.40
  6. Step 6: Final answer
    x = 6,244.99

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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.