Home / 18,501.36-25,702.99-18,328.42

Finding the Fourth Proportional to 18,501.36, 25,702.99 and 18,328.42

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Solution

The fourth proportional to 18,501.36, 25,702.99 and 18,328.42 is: 25,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.36 : 25,702.99 = 18,328.42 : x
  2. Step 2: Convert to fraction form
    18,501.36/25,702.99 = 18,328.42/x
  3. Step 3: Cross multiply
    18,501.36x = 25,702.99 × 18,328.42
  4. Step 4: Simplify right side
    18,501.36x = 471,095,195.98
  5. Step 5: Solve for x
    x = 471,095,195.98/18,501.36
  6. Step 6: Final answer
    x = 25,462.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.