Home / 26,485.99-36,512.17-18,503.44

Finding the Fourth Proportional to 26,485.99, 36,512.17 and 18,503.44

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Solution

The fourth proportional to 26,485.99, 36,512.17 and 18,503.44 is: 25,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.99 : 36,512.17 = 18,503.44 : x
  2. Step 2: Convert to fraction form
    26,485.99/36,512.17 = 18,503.44/x
  3. Step 3: Cross multiply
    26,485.99x = 36,512.17 × 18,503.44
  4. Step 4: Simplify right side
    26,485.99x = 675,600,746.86
  5. Step 5: Solve for x
    x = 675,600,746.86/26,485.99
  6. Step 6: Final answer
    x = 25,507.85

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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.