Home / 17,406.36-23,999.58-15,159.96

Finding the Fourth Proportional to 17,406.36, 23,999.58 and 15,159.96

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Solution

The fourth proportional to 17,406.36, 23,999.58 and 15,159.96 is: 20,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,406.36 : 23,999.58 = 15,159.96 : x
  2. Step 2: Convert to fraction form
    17,406.36/23,999.58 = 15,159.96/x
  3. Step 3: Cross multiply
    17,406.36x = 23,999.58 × 15,159.96
  4. Step 4: Simplify right side
    17,406.36x = 363,832,672.82
  5. Step 5: Solve for x
    x = 363,832,672.82/17,406.36
  6. Step 6: Final answer
    x = 20,902.28

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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.