Home / 14,556.56-20,088.12-8,269.28

Finding the Fourth Proportional to 14,556.56, 20,088.12 and 8,269.28

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Solution

The fourth proportional to 14,556.56, 20,088.12 and 8,269.28 is: 11,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.56 : 20,088.12 = 8,269.28 : x
  2. Step 2: Convert to fraction form
    14,556.56/20,088.12 = 8,269.28/x
  3. Step 3: Cross multiply
    14,556.56x = 20,088.12 × 8,269.28
  4. Step 4: Simplify right side
    14,556.56x = 166,114,288.95
  5. Step 5: Solve for x
    x = 166,114,288.95/14,556.56
  6. Step 6: Final answer
    x = 11,411.64

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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.