Home / 14,928.75-20,589.57-9,259.56

Finding the Fourth Proportional to 14,928.75, 20,589.57 and 9,259.56

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Solution

The fourth proportional to 14,928.75, 20,589.57 and 9,259.56 is: 12,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,928.75 : 20,589.57 = 9,259.56 : x
  2. Step 2: Convert to fraction form
    14,928.75/20,589.57 = 9,259.56/x
  3. Step 3: Cross multiply
    14,928.75x = 20,589.57 × 9,259.56
  4. Step 4: Simplify right side
    14,928.75x = 190,650,358.79
  5. Step 5: Solve for x
    x = 190,650,358.79/14,928.75
  6. Step 6: Final answer
    x = 12,770.68

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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.