Home / 19,172.90-26,457.62-10,789.94

Finding the Fourth Proportional to 19,172.90, 26,457.62 and 10,789.94

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Solution

The fourth proportional to 19,172.90, 26,457.62 and 10,789.94 is: 14,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.90 : 26,457.62 = 10,789.94 : x
  2. Step 2: Convert to fraction form
    19,172.90/26,457.62 = 10,789.94/x
  3. Step 3: Cross multiply
    19,172.90x = 26,457.62 × 10,789.94
  4. Step 4: Simplify right side
    19,172.90x = 285,476,132.34
  5. Step 5: Solve for x
    x = 285,476,132.34/19,172.90
  6. Step 6: Final answer
    x = 14,889.56

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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.