Home / 14,018.96-19,346.19-7,645.57

Finding the Fourth Proportional to 14,018.96, 19,346.19 and 7,645.57

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Solution

The fourth proportional to 14,018.96, 19,346.19 and 7,645.57 is: 10,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.96 : 19,346.19 = 7,645.57 : x
  2. Step 2: Convert to fraction form
    14,018.96/19,346.19 = 7,645.57/x
  3. Step 3: Cross multiply
    14,018.96x = 19,346.19 × 7,645.57
  4. Step 4: Simplify right side
    14,018.96x = 147,912,601.51
  5. Step 5: Solve for x
    x = 147,912,601.51/14,018.96
  6. Step 6: Final answer
    x = 10,550.90

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Half 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.