Home / 18,210.72-27,295.80-16,734.36

Finding the Fourth Proportional to 18,210.72, 27,295.80 and 16,734.36

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Solution

The fourth proportional to 18,210.72, 27,295.80 and 16,734.36 is: 25,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.72 : 27,295.80 = 16,734.36 : x
  2. Step 2: Convert to fraction form
    18,210.72/27,295.80 = 16,734.36/x
  3. Step 3: Cross multiply
    18,210.72x = 27,295.80 × 16,734.36
  4. Step 4: Simplify right side
    18,210.72x = 456,777,743.69
  5. Step 5: Solve for x
    x = 456,777,743.69/18,210.72
  6. Step 6: Final answer
    x = 25,082.90

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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.