Home / 14,457.90-19,950.27-8,170.26

Finding the Fourth Proportional to 14,457.90, 19,950.27 and 8,170.26

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Solution

The fourth proportional to 14,457.90, 19,950.27 and 8,170.26 is: 11,274.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.90 : 19,950.27 = 8,170.26 : x
  2. Step 2: Convert to fraction form
    14,457.90/19,950.27 = 8,170.26/x
  3. Step 3: Cross multiply
    14,457.90x = 19,950.27 × 8,170.26
  4. Step 4: Simplify right side
    14,457.90x = 162,998,892.97
  5. Step 5: Solve for x
    x = 162,998,892.97/14,457.90
  6. Step 6: Final answer
    x = 11,274.04

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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.