Home / 25,756.01-35,546.45-15,685.92

Finding the Fourth Proportional to 25,756.01, 35,546.45 and 15,685.92

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Solution

The fourth proportional to 25,756.01, 35,546.45 and 15,685.92 is: 21,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.01 : 35,546.45 = 15,685.92 : x
  2. Step 2: Convert to fraction form
    25,756.01/35,546.45 = 15,685.92/x
  3. Step 3: Cross multiply
    25,756.01x = 35,546.45 × 15,685.92
  4. Step 4: Simplify right side
    25,756.01x = 557,578,692.55
  5. Step 5: Solve for x
    x = 557,578,692.55/25,756.01
  6. Step 6: Final answer
    x = 21,648.49

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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.