Home / 18,416.40-27,598.82-9,964.64

Finding the Fourth Proportional to 18,416.40, 27,598.82 and 9,964.64

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Solution

The fourth proportional to 18,416.40, 27,598.82 and 9,964.64 is: 14,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.40 : 27,598.82 = 9,964.64 : x
  2. Step 2: Convert to fraction form
    18,416.40/27,598.82 = 9,964.64/x
  3. Step 3: Cross multiply
    18,416.40x = 27,598.82 × 9,964.64
  4. Step 4: Simplify right side
    18,416.40x = 275,012,305.72
  5. Step 5: Solve for x
    x = 275,012,305.72/18,416.40
  6. Step 6: Final answer
    x = 14,933.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.