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Finding the Fourth Proportional to 18,596.71, 25,652.19 and 11,038.06

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Solution

The fourth proportional to 18,596.71, 25,652.19 and 11,038.06 is: 15,225.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.71 : 25,652.19 = 11,038.06 : x
  2. Step 2: Convert to fraction form
    18,596.71/25,652.19 = 11,038.06/x
  3. Step 3: Cross multiply
    18,596.71x = 25,652.19 × 11,038.06
  4. Step 4: Simplify right side
    18,596.71x = 283,150,412.35
  5. Step 5: Solve for x
    x = 283,150,412.35/18,596.71
  6. Step 6: Final answer
    x = 15,225.83

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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.