Home / 14,457.09-19,950.01-8,169.06

Finding the Fourth Proportional to 14,457.09, 19,950.01 and 8,169.06

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Solution

The fourth proportional to 14,457.09, 19,950.01 and 8,169.06 is: 11,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.09 : 19,950.01 = 8,169.06 : x
  2. Step 2: Convert to fraction form
    14,457.09/19,950.01 = 8,169.06/x
  3. Step 3: Cross multiply
    14,457.09x = 19,950.01 × 8,169.06
  4. Step 4: Simplify right side
    14,457.09x = 162,972,828.69
  5. Step 5: Solve for x
    x = 162,972,828.69/14,457.09
  6. Step 6: Final answer
    x = 11,272.87

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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.