Home / 14,992.16-20,690.13-8,277.77

Finding the Fourth Proportional to 14,992.16, 20,690.13 and 8,277.77

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Solution

The fourth proportional to 14,992.16, 20,690.13 and 8,277.77 is: 11,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.16 : 20,690.13 = 8,277.77 : x
  2. Step 2: Convert to fraction form
    14,992.16/20,690.13 = 8,277.77/x
  3. Step 3: Cross multiply
    14,992.16x = 20,690.13 × 8,277.77
  4. Step 4: Simplify right side
    14,992.16x = 171,268,033.96
  5. Step 5: Solve for x
    x = 171,268,033.96/14,992.16
  6. Step 6: Final answer
    x = 11,423.84

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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.