Home / 20,058.82-30,107.67-9,677.86

Finding the Fourth Proportional to 20,058.82, 30,107.67 and 9,677.86

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Solution

The fourth proportional to 20,058.82, 30,107.67 and 9,677.86 is: 14,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.82 : 30,107.67 = 9,677.86 : x
  2. Step 2: Convert to fraction form
    20,058.82/30,107.67 = 9,677.86/x
  3. Step 3: Cross multiply
    20,058.82x = 30,107.67 × 9,677.86
  4. Step 4: Simplify right side
    20,058.82x = 291,377,815.19
  5. Step 5: Solve for x
    x = 291,377,815.19/20,058.82
  6. Step 6: Final answer
    x = 14,526.17

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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.