Home / 12,943.53-17,825.10-11,656.45

Finding the Fourth Proportional to 12,943.53, 17,825.10 and 11,656.45

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Solution

The fourth proportional to 12,943.53, 17,825.10 and 11,656.45 is: 16,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943.53 : 17,825.10 = 11,656.45 : x
  2. Step 2: Convert to fraction form
    12,943.53/17,825.10 = 11,656.45/x
  3. Step 3: Cross multiply
    12,943.53x = 17,825.10 × 11,656.45
  4. Step 4: Simplify right side
    12,943.53x = 207,777,386.90
  5. Step 5: Solve for x
    x = 207,777,386.90/12,943.53
  6. Step 6: Final answer
    x = 16,052.61

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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.