Home / 18,576.08-27,851.12-6,887.76

Finding the Fourth Proportional to 18,576.08, 27,851.12 and 6,887.76

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Solution

The fourth proportional to 18,576.08, 27,851.12 and 6,887.76 is: 10,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.08 : 27,851.12 = 6,887.76 : x
  2. Step 2: Convert to fraction form
    18,576.08/27,851.12 = 6,887.76/x
  3. Step 3: Cross multiply
    18,576.08x = 27,851.12 × 6,887.76
  4. Step 4: Simplify right side
    18,576.08x = 191,831,830.29
  5. Step 5: Solve for x
    x = 191,831,830.29/18,576.08
  6. Step 6: Final answer
    x = 10,326.82

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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.