Home / 12,323.83-18,472.51-4,418.74

Finding the Fourth Proportional to 12,323.83, 18,472.51 and 4,418.74

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Solution

The fourth proportional to 12,323.83, 18,472.51 and 4,418.74 is: 6,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.83 : 18,472.51 = 4,418.74 : x
  2. Step 2: Convert to fraction form
    12,323.83/18,472.51 = 4,418.74/x
  3. Step 3: Cross multiply
    12,323.83x = 18,472.51 × 4,418.74
  4. Step 4: Simplify right side
    12,323.83x = 81,625,218.84
  5. Step 5: Solve for x
    x = 81,625,218.84/12,323.83
  6. Step 6: Final answer
    x = 6,623.36

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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.