Home / 16,638.85-22,962.55-9,085.89

Finding the Fourth Proportional to 16,638.85, 22,962.55 and 9,085.89

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Solution

The fourth proportional to 16,638.85, 22,962.55 and 9,085.89 is: 12,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.85 : 22,962.55 = 9,085.89 : x
  2. Step 2: Convert to fraction form
    16,638.85/22,962.55 = 9,085.89/x
  3. Step 3: Cross multiply
    16,638.85x = 22,962.55 × 9,085.89
  4. Step 4: Simplify right side
    16,638.85x = 208,635,218.80
  5. Step 5: Solve for x
    x = 208,635,218.80/16,638.85
  6. Step 6: Final answer
    x = 12,539.04

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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.