Home / 25,972.65-38,931.03-11,188.53

Finding the Fourth Proportional to 25,972.65, 38,931.03 and 11,188.53

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Solution

The fourth proportional to 25,972.65, 38,931.03 and 11,188.53 is: 16,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.65 : 38,931.03 = 11,188.53 : x
  2. Step 2: Convert to fraction form
    25,972.65/38,931.03 = 11,188.53/x
  3. Step 3: Cross multiply
    25,972.65x = 38,931.03 × 11,188.53
  4. Step 4: Simplify right side
    25,972.65x = 435,580,997.09
  5. Step 5: Solve for x
    x = 435,580,997.09/25,972.65
  6. Step 6: Final answer
    x = 16,770.76

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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.