Home / 23,511.86-32,445.12-13,438.97

Finding the Fourth Proportional to 23,511.86, 32,445.12 and 13,438.97

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Solution

The fourth proportional to 23,511.86, 32,445.12 and 13,438.97 is: 18,545.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.86 : 32,445.12 = 13,438.97 : x
  2. Step 2: Convert to fraction form
    23,511.86/32,445.12 = 13,438.97/x
  3. Step 3: Cross multiply
    23,511.86x = 32,445.12 × 13,438.97
  4. Step 4: Simplify right side
    23,511.86x = 436,028,994.33
  5. Step 5: Solve for x
    x = 436,028,994.33/23,511.86
  6. Step 6: Final answer
    x = 18,545.07

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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.