Home / 14,221.38-19,625.40-7,933.62

Finding the Fourth Proportional to 14,221.38, 19,625.40 and 7,933.62

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Solution

The fourth proportional to 14,221.38, 19,625.40 and 7,933.62 is: 10,948.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.38 : 19,625.40 = 7,933.62 : x
  2. Step 2: Convert to fraction form
    14,221.38/19,625.40 = 7,933.62/x
  3. Step 3: Cross multiply
    14,221.38x = 19,625.40 × 7,933.62
  4. Step 4: Simplify right side
    14,221.38x = 155,700,465.95
  5. Step 5: Solve for x
    x = 155,700,465.95/14,221.38
  6. Step 6: Final answer
    x = 10,948.34

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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.