Home / 14,176.89-21,268.80-4,315.64

Finding the Fourth Proportional to 14,176.89, 21,268.80 and 4,315.64

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Solution

The fourth proportional to 14,176.89, 21,268.80 and 4,315.64 is: 6,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.89 : 21,268.80 = 4,315.64 : x
  2. Step 2: Convert to fraction form
    14,176.89/21,268.80 = 4,315.64/x
  3. Step 3: Cross multiply
    14,176.89x = 21,268.80 × 4,315.64
  4. Step 4: Simplify right side
    14,176.89x = 91,788,377.69
  5. Step 5: Solve for x
    x = 91,788,377.69/14,176.89
  6. Step 6: Final answer
    x = 6,474.51

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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.