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Finding the Fourth Proportional to 25,992.86, 35,870.43 and 14,056.43

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Solution

The fourth proportional to 25,992.86, 35,870.43 and 14,056.43 is: 19,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.86 : 35,870.43 = 14,056.43 : x
  2. Step 2: Convert to fraction form
    25,992.86/35,870.43 = 14,056.43/x
  3. Step 3: Cross multiply
    25,992.86x = 35,870.43 × 14,056.43
  4. Step 4: Simplify right side
    25,992.86x = 504,210,009.01
  5. Step 5: Solve for x
    x = 504,210,009.01/25,992.86
  6. Step 6: Final answer
    x = 19,398.02

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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.