Home / 14,315.08-21,472.26-4,961.80

Finding the Fourth Proportional to 14,315.08, 21,472.26 and 4,961.80

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Solution

The fourth proportional to 14,315.08, 21,472.26 and 4,961.80 is: 7,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.08 : 21,472.26 = 4,961.80 : x
  2. Step 2: Convert to fraction form
    14,315.08/21,472.26 = 4,961.80/x
  3. Step 3: Cross multiply
    14,315.08x = 21,472.26 × 4,961.80
  4. Step 4: Simplify right side
    14,315.08x = 106,541,059.67
  5. Step 5: Solve for x
    x = 106,541,059.67/14,315.08
  6. Step 6: Final answer
    x = 7,442.58

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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.