Home / 14,564.64-20,096.60-8,189.40

Finding the Fourth Proportional to 14,564.64, 20,096.60 and 8,189.40

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Solution

The fourth proportional to 14,564.64, 20,096.60 and 8,189.40 is: 11,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,564.64 : 20,096.60 = 8,189.40 : x
  2. Step 2: Convert to fraction form
    14,564.64/20,096.60 = 8,189.40/x
  3. Step 3: Cross multiply
    14,564.64x = 20,096.60 × 8,189.40
  4. Step 4: Simplify right side
    14,564.64x = 164,579,096.04
  5. Step 5: Solve for x
    x = 164,579,096.04/14,564.64
  6. Step 6: Final answer
    x = 11,299.91

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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.