Home / 22,166.40-30,589.61-14,208.62

Finding the Fourth Proportional to 22,166.40, 30,589.61 and 14,208.62

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Solution

The fourth proportional to 22,166.40, 30,589.61 and 14,208.62 is: 19,607.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.40 : 30,589.61 = 14,208.62 : x
  2. Step 2: Convert to fraction form
    22,166.40/30,589.61 = 14,208.62/x
  3. Step 3: Cross multiply
    22,166.40x = 30,589.61 × 14,208.62
  4. Step 4: Simplify right side
    22,166.40x = 434,636,027.01
  5. Step 5: Solve for x
    x = 434,636,027.01/22,166.40
  6. Step 6: Final answer
    x = 19,607.88

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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.