Home / 18,994.11-26,205.57-11,437.58

Finding the Fourth Proportional to 18,994.11, 26,205.57 and 11,437.58

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Solution

The fourth proportional to 18,994.11, 26,205.57 and 11,437.58 is: 15,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,994.11 : 26,205.57 = 11,437.58 : x
  2. Step 2: Convert to fraction form
    18,994.11/26,205.57 = 11,437.58/x
  3. Step 3: Cross multiply
    18,994.11x = 26,205.57 × 11,437.58
  4. Step 4: Simplify right side
    18,994.11x = 299,728,172.29
  5. Step 5: Solve for x
    x = 299,728,172.29/18,994.11
  6. Step 6: Final answer
    x = 15,780.06

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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.