Home / 14,549.45-20,078.67-8,586.23

Finding the Fourth Proportional to 14,549.45, 20,078.67 and 8,586.23

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Solution

The fourth proportional to 14,549.45, 20,078.67 and 8,586.23 is: 11,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.45 : 20,078.67 = 8,586.23 : x
  2. Step 2: Convert to fraction form
    14,549.45/20,078.67 = 8,586.23/x
  3. Step 3: Cross multiply
    14,549.45x = 20,078.67 × 8,586.23
  4. Step 4: Simplify right side
    14,549.45x = 172,399,978.32
  5. Step 5: Solve for x
    x = 172,399,978.32/14,549.45
  6. Step 6: Final answer
    x = 11,849.25

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Double scale
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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.