Home / 16,967.70-23,427.57-11,315.79

Finding the Fourth Proportional to 16,967.70, 23,427.57 and 11,315.79

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Solution

The fourth proportional to 16,967.70, 23,427.57 and 11,315.79 is: 15,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,967.70 : 23,427.57 = 11,315.79 : x
  2. Step 2: Convert to fraction form
    16,967.70/23,427.57 = 11,315.79/x
  3. Step 3: Cross multiply
    16,967.70x = 23,427.57 × 11,315.79
  4. Step 4: Simplify right side
    16,967.70x = 265,101,462.33
  5. Step 5: Solve for x
    x = 265,101,462.33/16,967.70
  6. Step 6: Final answer
    x = 15,623.89

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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.