Home / 25,185.76-37,721.16-12,047.40

Finding the Fourth Proportional to 25,185.76, 37,721.16 and 12,047.40

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Solution

The fourth proportional to 25,185.76, 37,721.16 and 12,047.40 is: 18,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.76 : 37,721.16 = 12,047.40 : x
  2. Step 2: Convert to fraction form
    25,185.76/37,721.16 = 12,047.40/x
  3. Step 3: Cross multiply
    25,185.76x = 37,721.16 × 12,047.40
  4. Step 4: Simplify right side
    25,185.76x = 454,441,902.98
  5. Step 5: Solve for x
    x = 454,441,902.98/25,185.76
  6. Step 6: Final answer
    x = 18,043.60

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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.