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Finding the Fourth Proportional to 18,548.16, 25,596.48 and 10,164.48

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Solution

The fourth proportional to 18,548.16, 25,596.48 and 10,164.48 is: 14,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.16 : 25,596.48 = 10,164.48 : x
  2. Step 2: Convert to fraction form
    18,548.16/25,596.48 = 10,164.48/x
  3. Step 3: Cross multiply
    18,548.16x = 25,596.48 × 10,164.48
  4. Step 4: Simplify right side
    18,548.16x = 260,174,909.03
  5. Step 5: Solve for x
    x = 260,174,909.03/18,548.16
  6. Step 6: Final answer
    x = 14,026.99

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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.