Home / 14,457.29-19,951.22-8,489.03

Finding the Fourth Proportional to 14,457.29, 19,951.22 and 8,489.03

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Solution

The fourth proportional to 14,457.29, 19,951.22 and 8,489.03 is: 11,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.29 : 19,951.22 = 8,489.03 : x
  2. Step 2: Convert to fraction form
    14,457.29/19,951.22 = 8,489.03/x
  3. Step 3: Cross multiply
    14,457.29x = 19,951.22 × 8,489.03
  4. Step 4: Simplify right side
    14,457.29x = 169,366,462.67
  5. Step 5: Solve for x
    x = 169,366,462.67/14,457.29
  6. Step 6: Final answer
    x = 11,714.95

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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.