Home / 22,632.77-31,232.84-12,561.64

Finding the Fourth Proportional to 22,632.77, 31,232.84 and 12,561.64

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Solution

The fourth proportional to 22,632.77, 31,232.84 and 12,561.64 is: 17,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.77 : 31,232.84 = 12,561.64 : x
  2. Step 2: Convert to fraction form
    22,632.77/31,232.84 = 12,561.64/x
  3. Step 3: Cross multiply
    22,632.77x = 31,232.84 × 12,561.64
  4. Step 4: Simplify right side
    22,632.77x = 392,335,604.24
  5. Step 5: Solve for x
    x = 392,335,604.24/22,632.77
  6. Step 6: Final answer
    x = 17,334.84

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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.