Home / 26,551.11-39,833.50-7,830.39

Finding the Fourth Proportional to 26,551.11, 39,833.50 and 7,830.39

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Solution

The fourth proportional to 26,551.11, 39,833.50 and 7,830.39 is: 11,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.11 : 39,833.50 = 7,830.39 : x
  2. Step 2: Convert to fraction form
    26,551.11/39,833.50 = 7,830.39/x
  3. Step 3: Cross multiply
    26,551.11x = 39,833.50 × 7,830.39
  4. Step 4: Simplify right side
    26,551.11x = 311,911,820.49
  5. Step 5: Solve for x
    x = 311,911,820.49/26,551.11
  6. Step 6: Final answer
    x = 11,747.60

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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.