Home / 26,749.33-36,918.66-15,416.80

Finding the Fourth Proportional to 26,749.33, 36,918.66 and 15,416.80

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Solution

The fourth proportional to 26,749.33, 36,918.66 and 15,416.80 is: 21,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,749.33 : 36,918.66 = 15,416.80 : x
  2. Step 2: Convert to fraction form
    26,749.33/36,918.66 = 15,416.80/x
  3. Step 3: Cross multiply
    26,749.33x = 36,918.66 × 15,416.80
  4. Step 4: Simplify right side
    26,749.33x = 569,167,597.49
  5. Step 5: Solve for x
    x = 569,167,597.49/26,749.33
  6. Step 6: Final answer
    x = 21,277.83

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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.