Home / 13,124.08-19,686.66-4,359.88

Finding the Fourth Proportional to 13,124.08, 19,686.66 and 4,359.88

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Solution

The fourth proportional to 13,124.08, 19,686.66 and 4,359.88 is: 6,540.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.08 : 19,686.66 = 4,359.88 : x
  2. Step 2: Convert to fraction form
    13,124.08/19,686.66 = 4,359.88/x
  3. Step 3: Cross multiply
    13,124.08x = 19,686.66 × 4,359.88
  4. Step 4: Simplify right side
    13,124.08x = 85,831,475.20
  5. Step 5: Solve for x
    x = 85,831,475.20/13,124.08
  6. Step 6: Final answer
    x = 6,540.00

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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.