Home / 24,078.98-36,121.93-7,440.47

Finding the Fourth Proportional to 24,078.98, 36,121.93 and 7,440.47

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Solution

The fourth proportional to 24,078.98, 36,121.93 and 7,440.47 is: 11,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,078.98 : 36,121.93 = 7,440.47 : x
  2. Step 2: Convert to fraction form
    24,078.98/36,121.93 = 7,440.47/x
  3. Step 3: Cross multiply
    24,078.98x = 36,121.93 × 7,440.47
  4. Step 4: Simplify right side
    24,078.98x = 268,764,136.51
  5. Step 5: Solve for x
    x = 268,764,136.51/24,078.98
  6. Step 6: Final answer
    x = 11,161.77

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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.