Home / 22,327.71-30,812.12-12,256.32

Finding the Fourth Proportional to 22,327.71, 30,812.12 and 12,256.32

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Solution

The fourth proportional to 22,327.71, 30,812.12 and 12,256.32 is: 16,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,327.71 : 30,812.12 = 12,256.32 : x
  2. Step 2: Convert to fraction form
    22,327.71/30,812.12 = 12,256.32/x
  3. Step 3: Cross multiply
    22,327.71x = 30,812.12 × 12,256.32
  4. Step 4: Simplify right side
    22,327.71x = 377,643,250.64
  5. Step 5: Solve for x
    x = 377,643,250.64/22,327.71
  6. Step 6: Final answer
    x = 16,913.66

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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.