Home / 15,178.08-22,767.09-4,790.64

Finding the Fourth Proportional to 15,178.08, 22,767.09 and 4,790.64

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Solution

The fourth proportional to 15,178.08, 22,767.09 and 4,790.64 is: 7,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.08 : 22,767.09 = 4,790.64 : x
  2. Step 2: Convert to fraction form
    15,178.08/22,767.09 = 4,790.64/x
  3. Step 3: Cross multiply
    15,178.08x = 22,767.09 × 4,790.64
  4. Step 4: Simplify right side
    15,178.08x = 109,068,932.04
  5. Step 5: Solve for x
    x = 109,068,932.04/15,178.08
  6. Step 6: Final answer
    x = 7,185.95

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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.