Home / 15,829.28-23,723.36-6,458.32

Finding the Fourth Proportional to 15,829.28, 23,723.36 and 6,458.32

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Solution

The fourth proportional to 15,829.28, 23,723.36 and 6,458.32 is: 9,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,829.28 : 23,723.36 = 6,458.32 : x
  2. Step 2: Convert to fraction form
    15,829.28/23,723.36 = 6,458.32/x
  3. Step 3: Cross multiply
    15,829.28x = 23,723.36 × 6,458.32
  4. Step 4: Simplify right side
    15,829.28x = 153,213,050.36
  5. Step 5: Solve for x
    x = 153,213,050.36/15,829.28
  6. Step 6: Final answer
    x = 9,679.09

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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.