Home / 25,861.32-35,692.47-15,795.54

Finding the Fourth Proportional to 25,861.32, 35,692.47 and 15,795.54

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Solution

The fourth proportional to 25,861.32, 35,692.47 and 15,795.54 is: 21,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.32 : 35,692.47 = 15,795.54 : x
  2. Step 2: Convert to fraction form
    25,861.32/35,692.47 = 15,795.54/x
  3. Step 3: Cross multiply
    25,861.32x = 35,692.47 × 15,795.54
  4. Step 4: Simplify right side
    25,861.32x = 563,781,837.58
  5. Step 5: Solve for x
    x = 563,781,837.58/25,861.32
  6. Step 6: Final answer
    x = 21,800.20

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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.