Home / 29,986.52-41,378.82-16,557.80

Finding the Fourth Proportional to 29,986.52, 41,378.82 and 16,557.80

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Solution

The fourth proportional to 29,986.52, 41,378.82 and 16,557.80 is: 22,848.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,986.52 : 41,378.82 = 16,557.80 : x
  2. Step 2: Convert to fraction form
    29,986.52/41,378.82 = 16,557.80/x
  3. Step 3: Cross multiply
    29,986.52x = 41,378.82 × 16,557.80
  4. Step 4: Simplify right side
    29,986.52x = 685,142,225.80
  5. Step 5: Solve for x
    x = 685,142,225.80/29,986.52
  6. Step 6: Final answer
    x = 22,848.34

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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.