Home / 14,554.56-20,085.36-8,267.28

Finding the Fourth Proportional to 14,554.56, 20,085.36 and 8,267.28

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Solution

The fourth proportional to 14,554.56, 20,085.36 and 8,267.28 is: 11,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.56 : 20,085.36 = 8,267.28 : x
  2. Step 2: Convert to fraction form
    14,554.56/20,085.36 = 8,267.28/x
  3. Step 3: Cross multiply
    14,554.56x = 20,085.36 × 8,267.28
  4. Step 4: Simplify right side
    14,554.56x = 166,051,295.02
  5. Step 5: Solve for x
    x = 166,051,295.02/14,554.56
  6. Step 6: Final answer
    x = 11,408.88

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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.