Home / 18,911.13-26,098.97-10,529.25

Finding the Fourth Proportional to 18,911.13, 26,098.97 and 10,529.25

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Solution

The fourth proportional to 18,911.13, 26,098.97 and 10,529.25 is: 14,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.13 : 26,098.97 = 10,529.25 : x
  2. Step 2: Convert to fraction form
    18,911.13/26,098.97 = 10,529.25/x
  3. Step 3: Cross multiply
    18,911.13x = 26,098.97 × 10,529.25
  4. Step 4: Simplify right side
    18,911.13x = 274,802,579.87
  5. Step 5: Solve for x
    x = 274,802,579.87/18,911.13
  6. Step 6: Final answer
    x = 14,531.26

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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.