Home / 22,566.81-31,143.35-12,496.36

Finding the Fourth Proportional to 22,566.81, 31,143.35 and 12,496.36

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Solution

The fourth proportional to 22,566.81, 31,143.35 and 12,496.36 is: 17,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,566.81 : 31,143.35 = 12,496.36 : x
  2. Step 2: Convert to fraction form
    22,566.81/31,143.35 = 12,496.36/x
  3. Step 3: Cross multiply
    22,566.81x = 31,143.35 × 12,496.36
  4. Step 4: Simplify right side
    22,566.81x = 389,178,513.21
  5. Step 5: Solve for x
    x = 389,178,513.21/22,566.81
  6. Step 6: Final answer
    x = 17,245.61

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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.