Home / 14,150.38-21,196.40-8,289.22

Finding the Fourth Proportional to 14,150.38, 21,196.40 and 8,289.22

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Solution

The fourth proportional to 14,150.38, 21,196.40 and 8,289.22 is: 12,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.38 : 21,196.40 = 8,289.22 : x
  2. Step 2: Convert to fraction form
    14,150.38/21,196.40 = 8,289.22/x
  3. Step 3: Cross multiply
    14,150.38x = 21,196.40 × 8,289.22
  4. Step 4: Simplify right side
    14,150.38x = 175,701,622.81
  5. Step 5: Solve for x
    x = 175,701,622.81/14,150.38
  6. Step 6: Final answer
    x = 12,416.74

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1.5x scale

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.