Home / 27,109.79-40,670.39-9,342.07

Finding the Fourth Proportional to 27,109.79, 40,670.39 and 9,342.07

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Solution

The fourth proportional to 27,109.79, 40,670.39 and 9,342.07 is: 14,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.79 : 40,670.39 = 9,342.07 : x
  2. Step 2: Convert to fraction form
    27,109.79/40,670.39 = 9,342.07/x
  3. Step 3: Cross multiply
    27,109.79x = 40,670.39 × 9,342.07
  4. Step 4: Simplify right side
    27,109.79x = 379,945,630.31
  5. Step 5: Solve for x
    x = 379,945,630.31/27,109.79
  6. Step 6: Final answer
    x = 14,015.07

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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.