Home / 13,950.24-20,920.90-4,588.09

Finding the Fourth Proportional to 13,950.24, 20,920.90 and 4,588.09

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Solution

The fourth proportional to 13,950.24, 20,920.90 and 4,588.09 is: 6,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.24 : 20,920.90 = 4,588.09 : x
  2. Step 2: Convert to fraction form
    13,950.24/20,920.90 = 4,588.09/x
  3. Step 3: Cross multiply
    13,950.24x = 20,920.90 × 4,588.09
  4. Step 4: Simplify right side
    13,950.24x = 95,986,926.40
  5. Step 5: Solve for x
    x = 95,986,926.40/13,950.24
  6. Step 6: Final answer
    x = 6,880.66

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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.