Home / 18,576.36-27,874.92-14,424.72

Finding the Fourth Proportional to 18,576.36, 27,874.92 and 14,424.72

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Solution

The fourth proportional to 18,576.36, 27,874.92 and 14,424.72 is: 21,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.36 : 27,874.92 = 14,424.72 : x
  2. Step 2: Convert to fraction form
    18,576.36/27,874.92 = 14,424.72/x
  3. Step 3: Cross multiply
    18,576.36x = 27,874.92 × 14,424.72
  4. Step 4: Simplify right side
    18,576.36x = 402,087,916.02
  5. Step 5: Solve for x
    x = 402,087,916.02/18,576.36
  6. Step 6: Final answer
    x = 21,645.14

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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.