Home / 17,445.56-26,142.36-7,579.46

Finding the Fourth Proportional to 17,445.56, 26,142.36 and 7,579.46

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Solution

The fourth proportional to 17,445.56, 26,142.36 and 7,579.46 is: 11,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,445.56 : 26,142.36 = 7,579.46 : x
  2. Step 2: Convert to fraction form
    17,445.56/26,142.36 = 7,579.46/x
  3. Step 3: Cross multiply
    17,445.56x = 26,142.36 × 7,579.46
  4. Step 4: Simplify right side
    17,445.56x = 198,144,971.93
  5. Step 5: Solve for x
    x = 198,144,971.93/17,445.56
  6. Step 6: Final answer
    x = 11,357.90

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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.