Home / 23,780.03-35,689.83-12,539.39

Finding the Fourth Proportional to 23,780.03, 35,689.83 and 12,539.39

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Solution

The fourth proportional to 23,780.03, 35,689.83 and 12,539.39 is: 18,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,780.03 : 35,689.83 = 12,539.39 : x
  2. Step 2: Convert to fraction form
    23,780.03/35,689.83 = 12,539.39/x
  3. Step 3: Cross multiply
    23,780.03x = 35,689.83 × 12,539.39
  4. Step 4: Simplify right side
    23,780.03x = 447,528,697.40
  5. Step 5: Solve for x
    x = 447,528,697.40/23,780.03
  6. Step 6: Final answer
    x = 18,819.52

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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.