Home / 18,349.24-25,322.10-9,965.80

Finding the Fourth Proportional to 18,349.24, 25,322.10 and 9,965.80

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Solution

The fourth proportional to 18,349.24, 25,322.10 and 9,965.80 is: 13,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.24 : 25,322.10 = 9,965.80 : x
  2. Step 2: Convert to fraction form
    18,349.24/25,322.10 = 9,965.80/x
  3. Step 3: Cross multiply
    18,349.24x = 25,322.10 × 9,965.80
  4. Step 4: Simplify right side
    18,349.24x = 252,354,984.18
  5. Step 5: Solve for x
    x = 252,354,984.18/18,349.24
  6. Step 6: Final answer
    x = 13,752.88

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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.