Home / 14,158.90-21,238.35-4,798.99

Finding the Fourth Proportional to 14,158.90, 21,238.35 and 4,798.99

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Solution

The fourth proportional to 14,158.90, 21,238.35 and 4,798.99 is: 7,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.90 : 21,238.35 = 4,798.99 : x
  2. Step 2: Convert to fraction form
    14,158.90/21,238.35 = 4,798.99/x
  3. Step 3: Cross multiply
    14,158.90x = 21,238.35 × 4,798.99
  4. Step 4: Simplify right side
    14,158.90x = 101,922,629.27
  5. Step 5: Solve for x
    x = 101,922,629.27/14,158.90
  6. Step 6: Final answer
    x = 7,198.49

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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.