Home / 21,792.52-30,073.14-12,232.36

Finding the Fourth Proportional to 21,792.52, 30,073.14 and 12,232.36

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Solution

The fourth proportional to 21,792.52, 30,073.14 and 12,232.36 is: 16,880.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.52 : 30,073.14 = 12,232.36 : x
  2. Step 2: Convert to fraction form
    21,792.52/30,073.14 = 12,232.36/x
  3. Step 3: Cross multiply
    21,792.52x = 30,073.14 × 12,232.36
  4. Step 4: Simplify right side
    21,792.52x = 367,865,474.81
  5. Step 5: Solve for x
    x = 367,865,474.81/21,792.52
  6. Step 6: Final answer
    x = 16,880.36

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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.