Home / 16,912.40-23,347.28-11,256.56

Finding the Fourth Proportional to 16,912.40, 23,347.28 and 11,256.56

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Solution

The fourth proportional to 16,912.40, 23,347.28 and 11,256.56 is: 15,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.40 : 23,347.28 = 11,256.56 : x
  2. Step 2: Convert to fraction form
    16,912.40/23,347.28 = 11,256.56/x
  3. Step 3: Cross multiply
    16,912.40x = 23,347.28 × 11,256.56
  4. Step 4: Simplify right side
    16,912.40x = 262,810,058.16
  5. Step 5: Solve for x
    x = 262,810,058.16/16,912.40
  6. Step 6: Final answer
    x = 15,539.49

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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.