Home / 19,459.17-26,832.42-13,160.61

Finding the Fourth Proportional to 19,459.17, 26,832.42 and 13,160.61

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Solution

The fourth proportional to 19,459.17, 26,832.42 and 13,160.61 is: 18,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.17 : 26,832.42 = 13,160.61 : x
  2. Step 2: Convert to fraction form
    19,459.17/26,832.42 = 13,160.61/x
  3. Step 3: Cross multiply
    19,459.17x = 26,832.42 × 13,160.61
  4. Step 4: Simplify right side
    19,459.17x = 353,131,014.98
  5. Step 5: Solve for x
    x = 353,131,014.98/19,459.17
  6. Step 6: Final answer
    x = 18,147.28

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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.