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Finding the Fourth Proportional to 14,495.63, 20,004.77 and 8,210.03

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Solution

The fourth proportional to 14,495.63, 20,004.77 and 8,210.03 is: 11,330.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.63 : 20,004.77 = 8,210.03 : x
  2. Step 2: Convert to fraction form
    14,495.63/20,004.77 = 8,210.03/x
  3. Step 3: Cross multiply
    14,495.63x = 20,004.77 × 8,210.03
  4. Step 4: Simplify right side
    14,495.63x = 164,239,682.34
  5. Step 5: Solve for x
    x = 164,239,682.34/14,495.63
  6. Step 6: Final answer
    x = 11,330.29

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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.