Home / 14,565.56-20,103.18-8,277.56

Finding the Fourth Proportional to 14,565.56, 20,103.18 and 8,277.56

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Solution

The fourth proportional to 14,565.56, 20,103.18 and 8,277.56 is: 11,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.56 : 20,103.18 = 8,277.56 : x
  2. Step 2: Convert to fraction form
    14,565.56/20,103.18 = 8,277.56/x
  3. Step 3: Cross multiply
    14,565.56x = 20,103.18 × 8,277.56
  4. Step 4: Simplify right side
    14,565.56x = 166,405,278.64
  5. Step 5: Solve for x
    x = 166,405,278.64/14,565.56
  6. Step 6: Final answer
    x = 11,424.57

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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.