Home / 17,553.63-24,220.65-9,999.80

Finding the Fourth Proportional to 17,553.63, 24,220.65 and 9,999.80

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Solution

The fourth proportional to 17,553.63, 24,220.65 and 9,999.80 is: 13,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.63 : 24,220.65 = 9,999.80 : x
  2. Step 2: Convert to fraction form
    17,553.63/24,220.65 = 9,999.80/x
  3. Step 3: Cross multiply
    17,553.63x = 24,220.65 × 9,999.80
  4. Step 4: Simplify right side
    17,553.63x = 242,201,534.77
  5. Step 5: Solve for x
    x = 242,201,534.77/17,553.63
  6. Step 6: Final answer
    x = 13,797.80

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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.