Home / 14,798.43-20,421.21-8,084.04

Finding the Fourth Proportional to 14,798.43, 20,421.21 and 8,084.04

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Solution

The fourth proportional to 14,798.43, 20,421.21 and 8,084.04 is: 11,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.43 : 20,421.21 = 8,084.04 : x
  2. Step 2: Convert to fraction form
    14,798.43/20,421.21 = 8,084.04/x
  3. Step 3: Cross multiply
    14,798.43x = 20,421.21 × 8,084.04
  4. Step 4: Simplify right side
    14,798.43x = 165,085,832.22
  5. Step 5: Solve for x
    x = 165,085,832.22/14,798.43
  6. Step 6: Final answer
    x = 11,155.63

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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.