Home / 18,966.72-26,170.92-11,007.48

Finding the Fourth Proportional to 18,966.72, 26,170.92 and 11,007.48

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Solution

The fourth proportional to 18,966.72, 26,170.92 and 11,007.48 is: 15,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.72 : 26,170.92 = 11,007.48 : x
  2. Step 2: Convert to fraction form
    18,966.72/26,170.92 = 11,007.48/x
  3. Step 3: Cross multiply
    18,966.72x = 26,170.92 × 11,007.48
  4. Step 4: Simplify right side
    18,966.72x = 288,075,878.48
  5. Step 5: Solve for x
    x = 288,075,878.48/18,966.72
  6. Step 6: Final answer
    x = 15,188.49

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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.