Home / 13,954.23-19,256.82-7,985.76

Finding the Fourth Proportional to 13,954.23, 19,256.82 and 7,985.76

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Solution

The fourth proportional to 13,954.23, 19,256.82 and 7,985.76 is: 11,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.23 : 19,256.82 = 7,985.76 : x
  2. Step 2: Convert to fraction form
    13,954.23/19,256.82 = 7,985.76/x
  3. Step 3: Cross multiply
    13,954.23x = 19,256.82 × 7,985.76
  4. Step 4: Simplify right side
    13,954.23x = 153,780,342.88
  5. Step 5: Solve for x
    x = 153,780,342.88/13,954.23
  6. Step 6: Final answer
    x = 11,020.34

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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.