Home / 22,923.81-31,627.67-12,850.79

Finding the Fourth Proportional to 22,923.81, 31,627.67 and 12,850.79

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Solution

The fourth proportional to 22,923.81, 31,627.67 and 12,850.79 is: 17,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,923.81 : 31,627.67 = 12,850.79 : x
  2. Step 2: Convert to fraction form
    22,923.81/31,627.67 = 12,850.79/x
  3. Step 3: Cross multiply
    22,923.81x = 31,627.67 × 12,850.79
  4. Step 4: Simplify right side
    22,923.81x = 406,440,322.97
  5. Step 5: Solve for x
    x = 406,440,322.97/22,923.81
  6. Step 6: Final answer
    x = 17,730.05

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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.