Home / 19,214.80-28,834.44-17,771.92

Finding the Fourth Proportional to 19,214.80, 28,834.44 and 17,771.92

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Solution

The fourth proportional to 19,214.80, 28,834.44 and 17,771.92 is: 26,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.80 : 28,834.44 = 17,771.92 : x
  2. Step 2: Convert to fraction form
    19,214.80/28,834.44 = 17,771.92/x
  3. Step 3: Cross multiply
    19,214.80x = 28,834.44 × 17,771.92
  4. Step 4: Simplify right side
    19,214.80x = 512,443,360.92
  5. Step 5: Solve for x
    x = 512,443,360.92/19,214.80
  6. Step 6: Final answer
    x = 26,669.20

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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.