Home / 23,248.64-32,083.20-12,638.24

Finding the Fourth Proportional to 23,248.64, 32,083.20 and 12,638.24

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Solution

The fourth proportional to 23,248.64, 32,083.20 and 12,638.24 is: 17,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,248.64 : 32,083.20 = 12,638.24 : x
  2. Step 2: Convert to fraction form
    23,248.64/32,083.20 = 12,638.24/x
  3. Step 3: Cross multiply
    23,248.64x = 32,083.20 × 12,638.24
  4. Step 4: Simplify right side
    23,248.64x = 405,475,181.57
  5. Step 5: Solve for x
    x = 405,475,181.57/23,248.64
  6. Step 6: Final answer
    x = 17,440.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.