Home / 14,160.86-21,243.84-11,551.50

Finding the Fourth Proportional to 14,160.86, 21,243.84 and 11,551.50

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Solution

The fourth proportional to 14,160.86, 21,243.84 and 11,551.50 is: 17,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.86 : 21,243.84 = 11,551.50 : x
  2. Step 2: Convert to fraction form
    14,160.86/21,243.84 = 11,551.50/x
  3. Step 3: Cross multiply
    14,160.86x = 21,243.84 × 11,551.50
  4. Step 4: Simplify right side
    14,160.86x = 245,398,217.76
  5. Step 5: Solve for x
    x = 245,398,217.76/14,160.86
  6. Step 6: Final answer
    x = 17,329.33

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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.