Home / 16,842.21-23,228.55-14,821.26

Finding the Fourth Proportional to 16,842.21, 23,228.55 and 14,821.26

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Solution

The fourth proportional to 16,842.21, 23,228.55 and 14,821.26 is: 20,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.21 : 23,228.55 = 14,821.26 : x
  2. Step 2: Convert to fraction form
    16,842.21/23,228.55 = 14,821.26/x
  3. Step 3: Cross multiply
    16,842.21x = 23,228.55 × 14,821.26
  4. Step 4: Simplify right side
    16,842.21x = 344,276,378.97
  5. Step 5: Solve for x
    x = 344,276,378.97/16,842.21
  6. Step 6: Final answer
    x = 20,441.28

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Half scale
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Double scale
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Similar ratio
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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.