Home / 18,050.09-24,909.89-11,152.78

Finding the Fourth Proportional to 18,050.09, 24,909.89 and 11,152.78

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Solution

The fourth proportional to 18,050.09, 24,909.89 and 11,152.78 is: 15,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.09 : 24,909.89 = 11,152.78 : x
  2. Step 2: Convert to fraction form
    18,050.09/24,909.89 = 11,152.78/x
  3. Step 3: Cross multiply
    18,050.09x = 24,909.89 × 11,152.78
  4. Step 4: Simplify right side
    18,050.09x = 277,814,511.50
  5. Step 5: Solve for x
    x = 277,814,511.50/18,050.09
  6. Step 6: Final answer
    x = 15,391.31

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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.