Home / 19,164.05-26,446.35-10,780.55

Finding the Fourth Proportional to 19,164.05, 26,446.35 and 10,780.55

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Solution

The fourth proportional to 19,164.05, 26,446.35 and 10,780.55 is: 14,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.05 : 26,446.35 = 10,780.55 : x
  2. Step 2: Convert to fraction form
    19,164.05/26,446.35 = 10,780.55/x
  3. Step 3: Cross multiply
    19,164.05x = 26,446.35 × 10,780.55
  4. Step 4: Simplify right side
    19,164.05x = 285,106,198.49
  5. Step 5: Solve for x
    x = 285,106,198.49/19,164.05
  6. Step 6: Final answer
    x = 14,877.14

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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.