Home / 23,549.80-32,499.30-12,939.64

Finding the Fourth Proportional to 23,549.80, 32,499.30 and 12,939.64

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Solution

The fourth proportional to 23,549.80, 32,499.30 and 12,939.64 is: 17,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,549.80 : 32,499.30 = 12,939.64 : x
  2. Step 2: Convert to fraction form
    23,549.80/32,499.30 = 12,939.64/x
  3. Step 3: Cross multiply
    23,549.80x = 32,499.30 × 12,939.64
  4. Step 4: Simplify right side
    23,549.80x = 420,529,242.25
  5. Step 5: Solve for x
    x = 420,529,242.25/23,549.80
  6. Step 6: Final answer
    x = 17,857.02

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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.