Home / 21,194.04-31,794.38-6,401.10

Finding the Fourth Proportional to 21,194.04, 31,794.38 and 6,401.10

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Solution

The fourth proportional to 21,194.04, 31,794.38 and 6,401.10 is: 9,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.04 : 31,794.38 = 6,401.10 : x
  2. Step 2: Convert to fraction form
    21,194.04/31,794.38 = 6,401.10/x
  3. Step 3: Cross multiply
    21,194.04x = 31,794.38 × 6,401.10
  4. Step 4: Simplify right side
    21,194.04x = 203,519,005.82
  5. Step 5: Solve for x
    x = 203,519,005.82/21,194.04
  6. Step 6: Final answer
    x = 9,602.65

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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.