Home / 19,525.50-26,950.05-11,146.86

Finding the Fourth Proportional to 19,525.50, 26,950.05 and 11,146.86

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Solution

The fourth proportional to 19,525.50, 26,950.05 and 11,146.86 is: 15,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,525.50 : 26,950.05 = 11,146.86 : x
  2. Step 2: Convert to fraction form
    19,525.50/26,950.05 = 11,146.86/x
  3. Step 3: Cross multiply
    19,525.50x = 26,950.05 × 11,146.86
  4. Step 4: Simplify right side
    19,525.50x = 300,408,434.34
  5. Step 5: Solve for x
    x = 300,408,434.34/19,525.50
  6. Step 6: Final answer
    x = 15,385.44

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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.