Home / 16,477.21-22,740.92-12,491.61

Finding the Fourth Proportional to 16,477.21, 22,740.92 and 12,491.61

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Solution

The fourth proportional to 16,477.21, 22,740.92 and 12,491.61 is: 17,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.21 : 22,740.92 = 12,491.61 : x
  2. Step 2: Convert to fraction form
    16,477.21/22,740.92 = 12,491.61/x
  3. Step 3: Cross multiply
    16,477.21x = 22,740.92 × 12,491.61
  4. Step 4: Simplify right side
    16,477.21x = 284,070,703.68
  5. Step 5: Solve for x
    x = 284,070,703.68/16,477.21
  6. Step 6: Final answer
    x = 17,240.22

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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.