Home / 14,096.64-19,453.28-8,128.24

Finding the Fourth Proportional to 14,096.64, 19,453.28 and 8,128.24

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Solution

The fourth proportional to 14,096.64, 19,453.28 and 8,128.24 is: 11,216.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096.64 : 19,453.28 = 8,128.24 : x
  2. Step 2: Convert to fraction form
    14,096.64/19,453.28 = 8,128.24/x
  3. Step 3: Cross multiply
    14,096.64x = 19,453.28 × 8,128.24
  4. Step 4: Simplify right side
    14,096.64x = 158,120,928.63
  5. Step 5: Solve for x
    x = 158,120,928.63/14,096.64
  6. Step 6: Final answer
    x = 11,216.92

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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.