Home / 15,435.72-23,153.38-3,748.93

Finding the Fourth Proportional to 15,435.72, 23,153.38 and 3,748.93

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Solution

The fourth proportional to 15,435.72, 23,153.38 and 3,748.93 is: 5,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.72 : 23,153.38 = 3,748.93 : x
  2. Step 2: Convert to fraction form
    15,435.72/23,153.38 = 3,748.93/x
  3. Step 3: Cross multiply
    15,435.72x = 23,153.38 × 3,748.93
  4. Step 4: Simplify right side
    15,435.72x = 86,800,333.63
  5. Step 5: Solve for x
    x = 86,800,333.63/15,435.72
  6. Step 6: Final answer
    x = 5,623.34

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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.