Home / 14,824.80-20,457.18-8,450.46

Finding the Fourth Proportional to 14,824.80, 20,457.18 and 8,450.46

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Solution

The fourth proportional to 14,824.80, 20,457.18 and 8,450.46 is: 11,661.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,824.80 : 20,457.18 = 8,450.46 : x
  2. Step 2: Convert to fraction form
    14,824.80/20,457.18 = 8,450.46/x
  3. Step 3: Cross multiply
    14,824.80x = 20,457.18 × 8,450.46
  4. Step 4: Simplify right side
    14,824.80x = 172,872,581.30
  5. Step 5: Solve for x
    x = 172,872,581.30/14,824.80
  6. Step 6: Final answer
    x = 11,661.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.