Home / 14,553.33-20,085.77-8,891.35

Finding the Fourth Proportional to 14,553.33, 20,085.77 and 8,891.35

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Solution

The fourth proportional to 14,553.33, 20,085.77 and 8,891.35 is: 12,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,553.33 : 20,085.77 = 8,891.35 : x
  2. Step 2: Convert to fraction form
    14,553.33/20,085.77 = 8,891.35/x
  3. Step 3: Cross multiply
    14,553.33x = 20,085.77 × 8,891.35
  4. Step 4: Simplify right side
    14,553.33x = 178,589,549.76
  5. Step 5: Solve for x
    x = 178,589,549.76/14,553.33
  6. Step 6: Final answer
    x = 12,271.39

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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.