Home / 26,477.86-36,540.30-15,299.86

Finding the Fourth Proportional to 26,477.86, 36,540.30 and 15,299.86

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Solution

The fourth proportional to 26,477.86, 36,540.30 and 15,299.86 is: 21,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.86 : 36,540.30 = 15,299.86 : x
  2. Step 2: Convert to fraction form
    26,477.86/36,540.30 = 15,299.86/x
  3. Step 3: Cross multiply
    26,477.86x = 36,540.30 × 15,299.86
  4. Step 4: Simplify right side
    26,477.86x = 559,061,474.36
  5. Step 5: Solve for x
    x = 559,061,474.36/26,477.86
  6. Step 6: Final answer
    x = 21,114.30

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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.