Home / 18,766.96-25,907.76-10,807.64

Finding the Fourth Proportional to 18,766.96, 25,907.76 and 10,807.64

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Solution

The fourth proportional to 18,766.96, 25,907.76 and 10,807.64 is: 14,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.96 : 25,907.76 = 10,807.64 : x
  2. Step 2: Convert to fraction form
    18,766.96/25,907.76 = 10,807.64/x
  3. Step 3: Cross multiply
    18,766.96x = 25,907.76 × 10,807.64
  4. Step 4: Simplify right side
    18,766.96x = 280,001,710.90
  5. Step 5: Solve for x
    x = 280,001,710.90/18,766.96
  6. Step 6: Final answer
    x = 14,919.93

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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.