Home / 19,164.58-28,687.46-10,377.70

Finding the Fourth Proportional to 19,164.58, 28,687.46 and 10,377.70

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Solution

The fourth proportional to 19,164.58, 28,687.46 and 10,377.70 is: 15,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.58 : 28,687.46 = 10,377.70 : x
  2. Step 2: Convert to fraction form
    19,164.58/28,687.46 = 10,377.70/x
  3. Step 3: Cross multiply
    19,164.58x = 28,687.46 × 10,377.70
  4. Step 4: Simplify right side
    19,164.58x = 297,709,853.64
  5. Step 5: Solve for x
    x = 297,709,853.64/19,164.58
  6. Step 6: Final answer
    x = 15,534.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.