Home / 13,124.28-19,692-5,730.60

Finding the Fourth Proportional to 13,124.28, 19,692 and 5,730.60

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Solution

The fourth proportional to 13,124.28, 19,692 and 5,730.60 is: 8,598.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.28 : 19,692 = 5,730.60 : x
  2. Step 2: Convert to fraction form
    13,124.28/19,692 = 5,730.60/x
  3. Step 3: Cross multiply
    13,124.28x = 19,692 × 5,730.60
  4. Step 4: Simplify right side
    13,124.28x = 112,846,975.20
  5. Step 5: Solve for x
    x = 112,846,975.20/13,124.28
  6. Step 6: Final answer
    x = 8,598.34

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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.