Home / 14,263.45-19,682.28-8,212.07

Finding the Fourth Proportional to 14,263.45, 19,682.28 and 8,212.07

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Solution

The fourth proportional to 14,263.45, 19,682.28 and 8,212.07 is: 11,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.45 : 19,682.28 = 8,212.07 : x
  2. Step 2: Convert to fraction form
    14,263.45/19,682.28 = 8,212.07/x
  3. Step 3: Cross multiply
    14,263.45x = 19,682.28 × 8,212.07
  4. Step 4: Simplify right side
    14,263.45x = 161,632,162.71
  5. Step 5: Solve for x
    x = 161,632,162.71/14,263.45
  6. Step 6: Final answer
    x = 11,331.91

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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.