Home / 18,545.31-25,577.67-16,302.42

Finding the Fourth Proportional to 18,545.31, 25,577.67 and 16,302.42

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Solution

The fourth proportional to 18,545.31, 25,577.67 and 16,302.42 is: 22,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.31 : 25,577.67 = 16,302.42 : x
  2. Step 2: Convert to fraction form
    18,545.31/25,577.67 = 16,302.42/x
  3. Step 3: Cross multiply
    18,545.31x = 25,577.67 × 16,302.42
  4. Step 4: Simplify right side
    18,545.31x = 416,977,918.96
  5. Step 5: Solve for x
    x = 416,977,918.96/18,545.31
  6. Step 6: Final answer
    x = 22,484.28

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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.