Home / 25,474.69-38,156.28-18,056.64

Finding the Fourth Proportional to 25,474.69, 38,156.28 and 18,056.64

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Solution

The fourth proportional to 25,474.69, 38,156.28 and 18,056.64 is: 27,045.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,474.69 : 38,156.28 = 18,056.64 : x
  2. Step 2: Convert to fraction form
    25,474.69/38,156.28 = 18,056.64/x
  3. Step 3: Cross multiply
    25,474.69x = 38,156.28 × 18,056.64
  4. Step 4: Simplify right side
    25,474.69x = 688,974,211.70
  5. Step 5: Solve for x
    x = 688,974,211.70/25,474.69
  6. Step 6: Final answer
    x = 27,045.44

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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.