Home / 18,298.72-25,242.92-11,573.04

Finding the Fourth Proportional to 18,298.72, 25,242.92 and 11,573.04

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Solution

The fourth proportional to 18,298.72, 25,242.92 and 11,573.04 is: 15,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.72 : 25,242.92 = 11,573.04 : x
  2. Step 2: Convert to fraction form
    18,298.72/25,242.92 = 11,573.04/x
  3. Step 3: Cross multiply
    18,298.72x = 25,242.92 × 11,573.04
  4. Step 4: Simplify right side
    18,298.72x = 292,137,322.88
  5. Step 5: Solve for x
    x = 292,137,322.88/18,298.72
  6. Step 6: Final answer
    x = 15,964.90

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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.