Home / 14,883.12-22,329.86-9,905.49

Finding the Fourth Proportional to 14,883.12, 22,329.86 and 9,905.49

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Solution

The fourth proportional to 14,883.12, 22,329.86 and 9,905.49 is: 14,861.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.12 : 22,329.86 = 9,905.49 : x
  2. Step 2: Convert to fraction form
    14,883.12/22,329.86 = 9,905.49/x
  3. Step 3: Cross multiply
    14,883.12x = 22,329.86 × 9,905.49
  4. Step 4: Simplify right side
    14,883.12x = 221,188,155.40
  5. Step 5: Solve for x
    x = 221,188,155.40/14,883.12
  6. Step 6: Final answer
    x = 14,861.68

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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.