Home / 18,357.54-25,322.13-16,005.30

Finding the Fourth Proportional to 18,357.54, 25,322.13 and 16,005.30

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Solution

The fourth proportional to 18,357.54, 25,322.13 and 16,005.30 is: 22,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.54 : 25,322.13 = 16,005.30 : x
  2. Step 2: Convert to fraction form
    18,357.54/25,322.13 = 16,005.30/x
  3. Step 3: Cross multiply
    18,357.54x = 25,322.13 × 16,005.30
  4. Step 4: Simplify right side
    18,357.54x = 405,288,287.29
  5. Step 5: Solve for x
    x = 405,288,287.29/18,357.54
  6. Step 6: Final answer
    x = 22,077.48

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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.