Home / 21,410.84-31,997.62-17,204.52

Finding the Fourth Proportional to 21,410.84, 31,997.62 and 17,204.52

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Solution

The fourth proportional to 21,410.84, 31,997.62 and 17,204.52 is: 25,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.84 : 31,997.62 = 17,204.52 : x
  2. Step 2: Convert to fraction form
    21,410.84/31,997.62 = 17,204.52/x
  3. Step 3: Cross multiply
    21,410.84x = 31,997.62 × 17,204.52
  4. Step 4: Simplify right side
    21,410.84x = 550,503,693.24
  5. Step 5: Solve for x
    x = 550,503,693.24/21,410.84
  6. Step 6: Final answer
    x = 25,711.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.