Home / 18,972.50-26,180.06-11,013.17

Finding the Fourth Proportional to 18,972.50, 26,180.06 and 11,013.17

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Solution

The fourth proportional to 18,972.50, 26,180.06 and 11,013.17 is: 15,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972.50 : 26,180.06 = 11,013.17 : x
  2. Step 2: Convert to fraction form
    18,972.50/26,180.06 = 11,013.17/x
  3. Step 3: Cross multiply
    18,972.50x = 26,180.06 × 11,013.17
  4. Step 4: Simplify right side
    18,972.50x = 288,325,265.42
  5. Step 5: Solve for x
    x = 288,325,265.42/18,972.50
  6. Step 6: Final answer
    x = 15,197.01

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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.