Home / 14,166.39-19,555.38-9,130.89

Finding the Fourth Proportional to 14,166.39, 19,555.38 and 9,130.89

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Solution

The fourth proportional to 14,166.39, 19,555.38 and 9,130.89 is: 12,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.39 : 19,555.38 = 9,130.89 : x
  2. Step 2: Convert to fraction form
    14,166.39/19,555.38 = 9,130.89/x
  3. Step 3: Cross multiply
    14,166.39x = 19,555.38 × 9,130.89
  4. Step 4: Simplify right side
    14,166.39x = 178,558,023.69
  5. Step 5: Solve for x
    x = 178,558,023.69/14,166.39
  6. Step 6: Final answer
    x = 12,604.34

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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.