Home / 22,527.22-31,087.77-12,455.14

Finding the Fourth Proportional to 22,527.22, 31,087.77 and 12,455.14

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Solution

The fourth proportional to 22,527.22, 31,087.77 and 12,455.14 is: 17,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.22 : 31,087.77 = 12,455.14 : x
  2. Step 2: Convert to fraction form
    22,527.22/31,087.77 = 12,455.14/x
  3. Step 3: Cross multiply
    22,527.22x = 31,087.77 × 12,455.14
  4. Step 4: Simplify right side
    22,527.22x = 387,202,527.64
  5. Step 5: Solve for x
    x = 387,202,527.64/22,527.22
  6. Step 6: Final answer
    x = 17,188.21

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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.