Home / 25,819.54-35,631.15-16,861.75

Finding the Fourth Proportional to 25,819.54, 35,631.15 and 16,861.75

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Solution

The fourth proportional to 25,819.54, 35,631.15 and 16,861.75 is: 23,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,819.54 : 35,631.15 = 16,861.75 : x
  2. Step 2: Convert to fraction form
    25,819.54/35,631.15 = 16,861.75/x
  3. Step 3: Cross multiply
    25,819.54x = 35,631.15 × 16,861.75
  4. Step 4: Simplify right side
    25,819.54x = 600,803,543.51
  5. Step 5: Solve for x
    x = 600,803,543.51/25,819.54
  6. Step 6: Final answer
    x = 23,269.34

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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.