Home / 18,543.35-27,806.71-11,050.45

Finding the Fourth Proportional to 18,543.35, 27,806.71 and 11,050.45

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Solution

The fourth proportional to 18,543.35, 27,806.71 and 11,050.45 is: 16,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.35 : 27,806.71 = 11,050.45 : x
  2. Step 2: Convert to fraction form
    18,543.35/27,806.71 = 11,050.45/x
  3. Step 3: Cross multiply
    18,543.35x = 27,806.71 × 11,050.45
  4. Step 4: Simplify right side
    18,543.35x = 307,276,491.86
  5. Step 5: Solve for x
    x = 307,276,491.86/18,543.35
  6. Step 6: Final answer
    x = 16,570.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.