Home / 26,457.99-36,512.72-15,129.33

Finding the Fourth Proportional to 26,457.99, 36,512.72 and 15,129.33

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Solution

The fourth proportional to 26,457.99, 36,512.72 and 15,129.33 is: 20,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.99 : 36,512.72 = 15,129.33 : x
  2. Step 2: Convert to fraction form
    26,457.99/36,512.72 = 15,129.33/x
  3. Step 3: Cross multiply
    26,457.99x = 36,512.72 × 15,129.33
  4. Step 4: Simplify right side
    26,457.99x = 552,412,914.43
  5. Step 5: Solve for x
    x = 552,412,914.43/26,457.99
  6. Step 6: Final answer
    x = 20,878.87

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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.