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Finding the Fourth Proportional to 25,724.56, 35,500.02 and 14,394.08

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Solution

The fourth proportional to 25,724.56, 35,500.02 and 14,394.08 is: 19,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,724.56 : 35,500.02 = 14,394.08 : x
  2. Step 2: Convert to fraction form
    25,724.56/35,500.02 = 14,394.08/x
  3. Step 3: Cross multiply
    25,724.56x = 35,500.02 × 14,394.08
  4. Step 4: Simplify right side
    25,724.56x = 510,990,004.36
  5. Step 5: Solve for x
    x = 510,990,004.36/25,724.56
  6. Step 6: Final answer
    x = 19,863.90

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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.