Home / 22,527.47-31,087.35-12,455.64

Finding the Fourth Proportional to 22,527.47, 31,087.35 and 12,455.64

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Solution

The fourth proportional to 22,527.47, 31,087.35 and 12,455.64 is: 17,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,527.47 : 31,087.35 = 12,455.64 : x
  2. Step 2: Convert to fraction form
    22,527.47/31,087.35 = 12,455.64/x
  3. Step 3: Cross multiply
    22,527.47x = 31,087.35 × 12,455.64
  4. Step 4: Simplify right side
    22,527.47x = 387,212,840.15
  5. Step 5: Solve for x
    x = 387,212,840.15/22,527.47
  6. Step 6: Final answer
    x = 17,188.48

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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.