Home / 53,640.72-80,429.76-16,189.56

Finding the Fourth Proportional to 53,640.72, 80,429.76 and 16,189.56

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Solution

The fourth proportional to 53,640.72, 80,429.76 and 16,189.56 is: 24,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.72 : 80,429.76 = 16,189.56 : x
  2. Step 2: Convert to fraction form
    53,640.72/80,429.76 = 16,189.56/x
  3. Step 3: Cross multiply
    53,640.72x = 80,429.76 × 16,189.56
  4. Step 4: Simplify right side
    53,640.72x = 1,302,122,425.31
  5. Step 5: Solve for x
    x = 1,302,122,425.31/53,640.72
  6. Step 6: Final answer
    x = 24,274.89

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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.