Home / 14,521.92-20,037.28-8,232.64

Finding the Fourth Proportional to 14,521.92, 20,037.28 and 8,232.64

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Solution

The fourth proportional to 14,521.92, 20,037.28 and 8,232.64 is: 11,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.92 : 20,037.28 = 8,232.64 : x
  2. Step 2: Convert to fraction form
    14,521.92/20,037.28 = 8,232.64/x
  3. Step 3: Cross multiply
    14,521.92x = 20,037.28 × 8,232.64
  4. Step 4: Simplify right side
    14,521.92x = 164,959,712.82
  5. Step 5: Solve for x
    x = 164,959,712.82/14,521.92
  6. Step 6: Final answer
    x = 11,359.36

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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.