Home / 25,028.70-34,539.12-13,697.96

Finding the Fourth Proportional to 25,028.70, 34,539.12 and 13,697.96

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Solution

The fourth proportional to 25,028.70, 34,539.12 and 13,697.96 is: 18,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,028.70 : 34,539.12 = 13,697.96 : x
  2. Step 2: Convert to fraction form
    25,028.70/34,539.12 = 13,697.96/x
  3. Step 3: Cross multiply
    25,028.70x = 34,539.12 × 13,697.96
  4. Step 4: Simplify right side
    25,028.70x = 473,115,311.50
  5. Step 5: Solve for x
    x = 473,115,311.50/25,028.70
  6. Step 6: Final answer
    x = 18,902.91

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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.