Home / 15,629.32-23,443.98-6,864.31

Finding the Fourth Proportional to 15,629.32, 23,443.98 and 6,864.31

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Solution

The fourth proportional to 15,629.32, 23,443.98 and 6,864.31 is: 10,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.32 : 23,443.98 = 6,864.31 : x
  2. Step 2: Convert to fraction form
    15,629.32/23,443.98 = 6,864.31/x
  3. Step 3: Cross multiply
    15,629.32x = 23,443.98 × 6,864.31
  4. Step 4: Simplify right side
    15,629.32x = 160,926,746.35
  5. Step 5: Solve for x
    x = 160,926,746.35/15,629.32
  6. Step 6: Final answer
    x = 10,296.47

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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.