Home / 15,915.92-23,875.32-4,822.64

Finding the Fourth Proportional to 15,915.92, 23,875.32 and 4,822.64

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Solution

The fourth proportional to 15,915.92, 23,875.32 and 4,822.64 is: 7,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.92 : 23,875.32 = 4,822.64 : x
  2. Step 2: Convert to fraction form
    15,915.92/23,875.32 = 4,822.64/x
  3. Step 3: Cross multiply
    15,915.92x = 23,875.32 × 4,822.64
  4. Step 4: Simplify right side
    15,915.92x = 115,142,073.24
  5. Step 5: Solve for x
    x = 115,142,073.24/15,915.92
  6. Step 6: Final answer
    x = 7,234.40

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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.