Home / 12,424.95-18,633.47-4,103.41

Finding the Fourth Proportional to 12,424.95, 18,633.47 and 4,103.41

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Solution

The fourth proportional to 12,424.95, 18,633.47 and 4,103.41 is: 6,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.95 : 18,633.47 = 4,103.41 : x
  2. Step 2: Convert to fraction form
    12,424.95/18,633.47 = 4,103.41/x
  3. Step 3: Cross multiply
    12,424.95x = 18,633.47 × 4,103.41
  4. Step 4: Simplify right side
    12,424.95x = 76,460,767.13
  5. Step 5: Solve for x
    x = 76,460,767.13/12,424.95
  6. Step 6: Final answer
    x = 6,153.81

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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.