Home / 24,020.55-33,121.39-15,511.50

Finding the Fourth Proportional to 24,020.55, 33,121.39 and 15,511.50

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Solution

The fourth proportional to 24,020.55, 33,121.39 and 15,511.50 is: 21,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,020.55 : 33,121.39 = 15,511.50 : x
  2. Step 2: Convert to fraction form
    24,020.55/33,121.39 = 15,511.50/x
  3. Step 3: Cross multiply
    24,020.55x = 33,121.39 × 15,511.50
  4. Step 4: Simplify right side
    24,020.55x = 513,762,440.99
  5. Step 5: Solve for x
    x = 513,762,440.99/24,020.55
  6. Step 6: Final answer
    x = 21,388.45

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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.