Home / 23,645.89-35,479.28-12,398.54

Finding the Fourth Proportional to 23,645.89, 35,479.28 and 12,398.54

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Solution

The fourth proportional to 23,645.89, 35,479.28 and 12,398.54 is: 18,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,645.89 : 35,479.28 = 12,398.54 : x
  2. Step 2: Convert to fraction form
    23,645.89/35,479.28 = 12,398.54/x
  3. Step 3: Cross multiply
    23,645.89x = 35,479.28 × 12,398.54
  4. Step 4: Simplify right side
    23,645.89x = 439,891,391.95
  5. Step 5: Solve for x
    x = 439,891,391.95/23,645.89
  6. Step 6: Final answer
    x = 18,603.29

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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.