Home / 14,521.46-21,779.57-3,847.88

Finding the Fourth Proportional to 14,521.46, 21,779.57 and 3,847.88

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Solution

The fourth proportional to 14,521.46, 21,779.57 and 3,847.88 is: 5,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.46 : 21,779.57 = 3,847.88 : x
  2. Step 2: Convert to fraction form
    14,521.46/21,779.57 = 3,847.88/x
  3. Step 3: Cross multiply
    14,521.46x = 21,779.57 × 3,847.88
  4. Step 4: Simplify right side
    14,521.46x = 83,805,043.67
  5. Step 5: Solve for x
    x = 83,805,043.67/14,521.46
  6. Step 6: Final answer
    x = 5,771.12

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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.