Home / 13,592.72-20,388.36-4,358

Finding the Fourth Proportional to 13,592.72, 20,388.36 and 4,358

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Solution

The fourth proportional to 13,592.72, 20,388.36 and 4,358 is: 6,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.72 : 20,388.36 = 4,358 : x
  2. Step 2: Convert to fraction form
    13,592.72/20,388.36 = 4,358/x
  3. Step 3: Cross multiply
    13,592.72x = 20,388.36 × 4,358
  4. Step 4: Simplify right side
    13,592.72x = 88,852,472.88
  5. Step 5: Solve for x
    x = 88,852,472.88/13,592.72
  6. Step 6: Final answer
    x = 6,536.77

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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.