Home / 12,801.32-17,673.39-11,381.08

Finding the Fourth Proportional to 12,801.32, 17,673.39 and 11,381.08

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Solution

The fourth proportional to 12,801.32, 17,673.39 and 11,381.08 is: 15,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.32 : 17,673.39 = 11,381.08 : x
  2. Step 2: Convert to fraction form
    12,801.32/17,673.39 = 11,381.08/x
  3. Step 3: Cross multiply
    12,801.32x = 17,673.39 × 11,381.08
  4. Step 4: Simplify right side
    12,801.32x = 201,142,235.50
  5. Step 5: Solve for x
    x = 201,142,235.50/12,801.32
  6. Step 6: Final answer
    x = 15,712.62

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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.