Home / 15,315.34-22,972.93-5,961.87

Finding the Fourth Proportional to 15,315.34, 22,972.93 and 5,961.87

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Solution

The fourth proportional to 15,315.34, 22,972.93 and 5,961.87 is: 8,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.34 : 22,972.93 = 5,961.87 : x
  2. Step 2: Convert to fraction form
    15,315.34/22,972.93 = 5,961.87/x
  3. Step 3: Cross multiply
    15,315.34x = 22,972.93 × 5,961.87
  4. Step 4: Simplify right side
    15,315.34x = 136,961,477.51
  5. Step 5: Solve for x
    x = 136,961,477.51/15,315.34
  6. Step 6: Final answer
    x = 8,942.76

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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.