Home / 39,113.07-58,669.39-12,817.63

Finding the Fourth Proportional to 39,113.07, 58,669.39 and 12,817.63

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Solution

The fourth proportional to 39,113.07, 58,669.39 and 12,817.63 is: 19,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,113.07 : 58,669.39 = 12,817.63 : x
  2. Step 2: Convert to fraction form
    39,113.07/58,669.39 = 12,817.63/x
  3. Step 3: Cross multiply
    39,113.07x = 58,669.39 × 12,817.63
  4. Step 4: Simplify right side
    39,113.07x = 752,002,533.35
  5. Step 5: Solve for x
    x = 752,002,533.35/39,113.07
  6. Step 6: Final answer
    x = 19,226.37

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.