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Finding the Fourth Proportional to 18,652.00, 25,741.61 and 13,928.08

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Solution

The fourth proportional to 18,652.00, 25,741.61 and 13,928.08 is: 19,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.00 : 25,741.61 = 13,928.08 : x
  2. Step 2: Convert to fraction form
    18,652.00/25,741.61 = 13,928.08/x
  3. Step 3: Cross multiply
    18,652.00x = 25,741.61 × 13,928.08
  4. Step 4: Simplify right side
    18,652.00x = 358,531,109.52
  5. Step 5: Solve for x
    x = 358,531,109.52/18,652.00
  6. Step 6: Final answer
    x = 19,222.13

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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.