Home / 14,151.51-21,228.35-3,762.99

Finding the Fourth Proportional to 14,151.51, 21,228.35 and 3,762.99

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Solution

The fourth proportional to 14,151.51, 21,228.35 and 3,762.99 is: 5,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.51 : 21,228.35 = 3,762.99 : x
  2. Step 2: Convert to fraction form
    14,151.51/21,228.35 = 3,762.99/x
  3. Step 3: Cross multiply
    14,151.51x = 21,228.35 × 3,762.99
  4. Step 4: Simplify right side
    14,151.51x = 79,882,049.95
  5. Step 5: Solve for x
    x = 79,882,049.95/14,151.51
  6. Step 6: Final answer
    x = 5,644.77

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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.