Home / 18,216.63-27,328.59-6,530.76

Finding the Fourth Proportional to 18,216.63, 27,328.59 and 6,530.76

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Solution

The fourth proportional to 18,216.63, 27,328.59 and 6,530.76 is: 9,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.63 : 27,328.59 = 6,530.76 : x
  2. Step 2: Convert to fraction form
    18,216.63/27,328.59 = 6,530.76/x
  3. Step 3: Cross multiply
    18,216.63x = 27,328.59 × 6,530.76
  4. Step 4: Simplify right side
    18,216.63x = 178,476,462.43
  5. Step 5: Solve for x
    x = 178,476,462.43/18,216.63
  6. Step 6: Final answer
    x = 9,797.45

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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.