Home / 19,200.87-26,494.16-10,815.75

Finding the Fourth Proportional to 19,200.87, 26,494.16 and 10,815.75

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Solution

The fourth proportional to 19,200.87, 26,494.16 and 10,815.75 is: 14,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.87 : 26,494.16 = 10,815.75 : x
  2. Step 2: Convert to fraction form
    19,200.87/26,494.16 = 10,815.75/x
  3. Step 3: Cross multiply
    19,200.87x = 26,494.16 × 10,815.75
  4. Step 4: Simplify right side
    19,200.87x = 286,554,156.94
  5. Step 5: Solve for x
    x = 286,554,156.94/19,200.87
  6. Step 6: Final answer
    x = 14,924.02

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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.