Home / 21,852.76-32,749.23-16,511.55

Finding the Fourth Proportional to 21,852.76, 32,749.23 and 16,511.55

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Solution

The fourth proportional to 21,852.76, 32,749.23 and 16,511.55 is: 24,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.76 : 32,749.23 = 16,511.55 : x
  2. Step 2: Convert to fraction form
    21,852.76/32,749.23 = 16,511.55/x
  3. Step 3: Cross multiply
    21,852.76x = 32,749.23 × 16,511.55
  4. Step 4: Simplify right side
    21,852.76x = 540,740,548.61
  5. Step 5: Solve for x
    x = 540,740,548.61/21,852.76
  6. Step 6: Final answer
    x = 24,744.73

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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.