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Finding the Fourth Proportional to 14,873.63, 20,525.40 and 8,159.54

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Solution

The fourth proportional to 14,873.63, 20,525.40 and 8,159.54 is: 11,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.63 : 20,525.40 = 8,159.54 : x
  2. Step 2: Convert to fraction form
    14,873.63/20,525.40 = 8,159.54/x
  3. Step 3: Cross multiply
    14,873.63x = 20,525.40 × 8,159.54
  4. Step 4: Simplify right side
    14,873.63x = 167,477,719.69
  5. Step 5: Solve for x
    x = 167,477,719.69/14,873.63
  6. Step 6: Final answer
    x = 11,260.05

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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.