Home / 25,487.87-38,219.90-9,695.84

Finding the Fourth Proportional to 25,487.87, 38,219.90 and 9,695.84

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Solution

The fourth proportional to 25,487.87, 38,219.90 and 9,695.84 is: 14,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487.87 : 38,219.90 = 9,695.84 : x
  2. Step 2: Convert to fraction form
    25,487.87/38,219.90 = 9,695.84/x
  3. Step 3: Cross multiply
    25,487.87x = 38,219.90 × 9,695.84
  4. Step 4: Simplify right side
    25,487.87x = 370,573,795.64
  5. Step 5: Solve for x
    x = 370,573,795.64/25,487.87
  6. Step 6: Final answer
    x = 14,539.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.