Home / 27,670.06-38,189.58-16,338.81

Finding the Fourth Proportional to 27,670.06, 38,189.58 and 16,338.81

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Solution

The fourth proportional to 27,670.06, 38,189.58 and 16,338.81 is: 22,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,670.06 : 38,189.58 = 16,338.81 : x
  2. Step 2: Convert to fraction form
    27,670.06/38,189.58 = 16,338.81/x
  3. Step 3: Cross multiply
    27,670.06x = 38,189.58 × 16,338.81
  4. Step 4: Simplify right side
    27,670.06x = 623,972,373.54
  5. Step 5: Solve for x
    x = 623,972,373.54/27,670.06
  6. Step 6: Final answer
    x = 22,550.46

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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.