Home / 25,155.84-34,703.09-18,086.36

Finding the Fourth Proportional to 25,155.84, 34,703.09 and 18,086.36

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Solution

The fourth proportional to 25,155.84, 34,703.09 and 18,086.36 is: 24,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.84 : 34,703.09 = 18,086.36 : x
  2. Step 2: Convert to fraction form
    25,155.84/34,703.09 = 18,086.36/x
  3. Step 3: Cross multiply
    25,155.84x = 34,703.09 × 18,086.36
  4. Step 4: Simplify right side
    25,155.84x = 627,652,578.85
  5. Step 5: Solve for x
    x = 627,652,578.85/25,155.84
  6. Step 6: Final answer
    x = 24,950.58

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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.