Home / 14,172.19-19,560.33-9,383.69

Finding the Fourth Proportional to 14,172.19, 19,560.33 and 9,383.69

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Solution

The fourth proportional to 14,172.19, 19,560.33 and 9,383.69 is: 12,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.19 : 19,560.33 = 9,383.69 : x
  2. Step 2: Convert to fraction form
    14,172.19/19,560.33 = 9,383.69/x
  3. Step 3: Cross multiply
    14,172.19x = 19,560.33 × 9,383.69
  4. Step 4: Simplify right side
    14,172.19x = 183,548,073.02
  5. Step 5: Solve for x
    x = 183,548,073.02/14,172.19
  6. Step 6: Final answer
    x = 12,951.29

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Half scale
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Double scale
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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.