Home / 15,238.08-22,857.12-6,917.76

Finding the Fourth Proportional to 15,238.08, 22,857.12 and 6,917.76

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Solution

The fourth proportional to 15,238.08, 22,857.12 and 6,917.76 is: 10,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.08 : 22,857.12 = 6,917.76 : x
  2. Step 2: Convert to fraction form
    15,238.08/22,857.12 = 6,917.76/x
  3. Step 3: Cross multiply
    15,238.08x = 22,857.12 × 6,917.76
  4. Step 4: Simplify right side
    15,238.08x = 158,120,070.45
  5. Step 5: Solve for x
    x = 158,120,070.45/15,238.08
  6. Step 6: Final answer
    x = 10,376.64

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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.