Home / 14,958.95-20,646.36-8,589.85

Finding the Fourth Proportional to 14,958.95, 20,646.36 and 8,589.85

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Solution

The fourth proportional to 14,958.95, 20,646.36 and 8,589.85 is: 11,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.95 : 20,646.36 = 8,589.85 : x
  2. Step 2: Convert to fraction form
    14,958.95/20,646.36 = 8,589.85/x
  3. Step 3: Cross multiply
    14,958.95x = 20,646.36 × 8,589.85
  4. Step 4: Simplify right side
    14,958.95x = 177,349,083.83
  5. Step 5: Solve for x
    x = 177,349,083.83/14,958.95
  6. Step 6: Final answer
    x = 11,855.72

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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.