Home / 14,095.78-19,451.91-8,127.70

Finding the Fourth Proportional to 14,095.78, 19,451.91 and 8,127.70

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Solution

The fourth proportional to 14,095.78, 19,451.91 and 8,127.70 is: 11,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,095.78 : 19,451.91 = 8,127.70 : x
  2. Step 2: Convert to fraction form
    14,095.78/19,451.91 = 8,127.70/x
  3. Step 3: Cross multiply
    14,095.78x = 19,451.91 × 8,127.70
  4. Step 4: Simplify right side
    14,095.78x = 158,099,270.76
  5. Step 5: Solve for x
    x = 158,099,270.76/14,095.78
  6. Step 6: Final answer
    x = 11,216.07

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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.