Home / 17,905.62-26,886.93-14,778.75

Finding the Fourth Proportional to 17,905.62, 26,886.93 and 14,778.75

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Solution

The fourth proportional to 17,905.62, 26,886.93 and 14,778.75 is: 22,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.62 : 26,886.93 = 14,778.75 : x
  2. Step 2: Convert to fraction form
    17,905.62/26,886.93 = 14,778.75/x
  3. Step 3: Cross multiply
    17,905.62x = 26,886.93 × 14,778.75
  4. Step 4: Simplify right side
    17,905.62x = 397,355,216.74
  5. Step 5: Solve for x
    x = 397,355,216.74/17,905.62
  6. Step 6: Final answer
    x = 22,191.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.