Home / 38,678.99-58,007.54-13,712.36

Finding the Fourth Proportional to 38,678.99, 58,007.54 and 13,712.36

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Solution

The fourth proportional to 38,678.99, 58,007.54 and 13,712.36 is: 20,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678.99 : 58,007.54 = 13,712.36 : x
  2. Step 2: Convert to fraction form
    38,678.99/58,007.54 = 13,712.36/x
  3. Step 3: Cross multiply
    38,678.99x = 58,007.54 × 13,712.36
  4. Step 4: Simplify right side
    38,678.99x = 795,420,015.44
  5. Step 5: Solve for x
    x = 795,420,015.44/38,678.99
  6. Step 6: Final answer
    x = 20,564.66

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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.