Home / 21,894.44-30,214.56-12,463.07

Finding the Fourth Proportional to 21,894.44, 30,214.56 and 12,463.07

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Solution

The fourth proportional to 21,894.44, 30,214.56 and 12,463.07 is: 17,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,894.44 : 30,214.56 = 12,463.07 : x
  2. Step 2: Convert to fraction form
    21,894.44/30,214.56 = 12,463.07/x
  3. Step 3: Cross multiply
    21,894.44x = 30,214.56 × 12,463.07
  4. Step 4: Simplify right side
    21,894.44x = 376,566,025.23
  5. Step 5: Solve for x
    x = 376,566,025.23/21,894.44
  6. Step 6: Final answer
    x = 17,199.17

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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.