Home / 22,674.78-31,291.65-13,725.23

Finding the Fourth Proportional to 22,674.78, 31,291.65 and 13,725.23

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Solution

The fourth proportional to 22,674.78, 31,291.65 and 13,725.23 is: 18,941.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.78 : 31,291.65 = 13,725.23 : x
  2. Step 2: Convert to fraction form
    22,674.78/31,291.65 = 13,725.23/x
  3. Step 3: Cross multiply
    22,674.78x = 31,291.65 × 13,725.23
  4. Step 4: Simplify right side
    22,674.78x = 429,484,936.87
  5. Step 5: Solve for x
    x = 429,484,936.87/22,674.78
  6. Step 6: Final answer
    x = 18,941.09

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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.