Home / 25,771.21-35,560.95-15,156.97

Finding the Fourth Proportional to 25,771.21, 35,560.95 and 15,156.97

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Solution

The fourth proportional to 25,771.21, 35,560.95 and 15,156.97 is: 20,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.21 : 35,560.95 = 15,156.97 : x
  2. Step 2: Convert to fraction form
    25,771.21/35,560.95 = 15,156.97/x
  3. Step 3: Cross multiply
    25,771.21x = 35,560.95 × 15,156.97
  4. Step 4: Simplify right side
    25,771.21x = 538,996,252.32
  5. Step 5: Solve for x
    x = 538,996,252.32/25,771.21
  6. Step 6: Final answer
    x = 20,914.67

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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.