Home / 15,439.21-23,160.18-4,346.00

Finding the Fourth Proportional to 15,439.21, 23,160.18 and 4,346.00

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Solution

The fourth proportional to 15,439.21, 23,160.18 and 4,346.00 is: 6,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.21 : 23,160.18 = 4,346.00 : x
  2. Step 2: Convert to fraction form
    15,439.21/23,160.18 = 4,346.00/x
  3. Step 3: Cross multiply
    15,439.21x = 23,160.18 × 4,346.00
  4. Step 4: Simplify right side
    15,439.21x = 100,654,026.48
  5. Step 5: Solve for x
    x = 100,654,026.48/15,439.21
  6. Step 6: Final answer
    x = 6,519.38

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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.