Home / 12,465.30-18,746.55-11,201.70

Finding the Fourth Proportional to 12,465.30, 18,746.55 and 11,201.70

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Solution

The fourth proportional to 12,465.30, 18,746.55 and 11,201.70 is: 16,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.30 : 18,746.55 = 11,201.70 : x
  2. Step 2: Convert to fraction form
    12,465.30/18,746.55 = 11,201.70/x
  3. Step 3: Cross multiply
    12,465.30x = 18,746.55 × 11,201.70
  4. Step 4: Simplify right side
    12,465.30x = 209,993,229.14
  5. Step 5: Solve for x
    x = 209,993,229.14/12,465.30
  6. Step 6: Final answer
    x = 16,846.22

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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.