Home / 16,290.48-22,490.97-12,506.43

Finding the Fourth Proportional to 16,290.48, 22,490.97 and 12,506.43

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Solution

The fourth proportional to 16,290.48, 22,490.97 and 12,506.43 is: 17,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.48 : 22,490.97 = 12,506.43 : x
  2. Step 2: Convert to fraction form
    16,290.48/22,490.97 = 12,506.43/x
  3. Step 3: Cross multiply
    16,290.48x = 22,490.97 × 12,506.43
  4. Step 4: Simplify right side
    16,290.48x = 281,281,741.94
  5. Step 5: Solve for x
    x = 281,281,741.94/16,290.48
  6. Step 6: Final answer
    x = 17,266.63

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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.